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cve-2023-25563
Vulnerability from cvelistv5
Published
2023-02-14 17:35
Modified
2024-08-02 11:25
Severity ?
EPSS score ?
Summary
GSS-NTLMSSP vulnerable to multiple out-of-bounds reads when decoding NTLM fields
References
▼ | URL | Tags | |
---|---|---|---|
security-advisories@github.com | https://github.com/gssapi/gss-ntlmssp/commit/97c62c6167299028d80765080e74d91dfc99efbd | Patch, Third Party Advisory | |
security-advisories@github.com | https://github.com/gssapi/gss-ntlmssp/releases/tag/v1.2.0 | Third Party Advisory | |
security-advisories@github.com | https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-jjjx-5qf7-9mgf | Third Party Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
gssapi | gss-ntlmssp |
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gsd-2023-25563
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, multiple out-of-bounds reads when decoding NTLM fields can trigger a denial of service. A 32-bit integer overflow condition can lead to incorrect checks of consistency of length of internal buffers. Although most applications will error out before accepting a singe input buffer of 4GB in length this could theoretically happen. This vulnerability can be triggered via the main `gss_accept_sec_context` entry point if the application allows tokens greater than 4GB in length. This can lead to a large, up to 65KB, out-of-bounds read which could cause a denial-of-service if it reads from unmapped memory. Version 1.2.0 contains a patch for the out-of-bounds reads.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2023-25563", "id": "GSD-2023-25563", "references": [ "https://www.suse.com/security/cve/CVE-2023-25563.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2023-25563" ], "details": "GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, multiple out-of-bounds reads when decoding NTLM fields can trigger a denial of service. A 32-bit integer overflow condition can lead to incorrect checks of consistency of length of internal buffers. Although most applications will error out before accepting a singe input buffer of 4GB in length this could theoretically happen. This vulnerability can be triggered via the main `gss_accept_sec_context` entry point if the application allows tokens greater than 4GB in length. This can lead to a large, up to 65KB, out-of-bounds read which could cause a denial-of-service if it reads from unmapped memory. Version 1.2.0 contains a patch for the out-of-bounds reads.", "id": "GSD-2023-25563", "modified": "2023-12-13T01:20:40.882303Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2023-25563", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "gss-ntlmssp", "version": { "version_data": [ { "version_affected": "=", "version_value": "\u003c 1.2.0" } ] } } ] }, "vendor_name": "gssapi" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, multiple out-of-bounds reads when decoding NTLM fields can trigger a denial of service. A 32-bit integer overflow condition can lead to incorrect checks of consistency of length of internal buffers. Although most applications will error out before accepting a singe input buffer of 4GB in length this could theoretically happen. This vulnerability can be triggered via the main `gss_accept_sec_context` entry point if the application allows tokens greater than 4GB in length. This can lead to a large, up to 65KB, out-of-bounds read which could cause a denial-of-service if it reads from unmapped memory. Version 1.2.0 contains a patch for the out-of-bounds reads." } ] }, "impact": { "cvss": [ { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "cweId": "CWE-125", "lang": "eng", "value": "CWE-125: Out-of-bounds Read" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-jjjx-5qf7-9mgf", "refsource": "MISC", "url": "https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-jjjx-5qf7-9mgf" }, { "name": "https://github.com/gssapi/gss-ntlmssp/commit/97c62c6167299028d80765080e74d91dfc99efbd", "refsource": "MISC", "url": "https://github.com/gssapi/gss-ntlmssp/commit/97c62c6167299028d80765080e74d91dfc99efbd" }, { "name": "https://github.com/gssapi/gss-ntlmssp/releases/tag/v1.2.0", "refsource": "MISC", "url": "https://github.com/gssapi/gss-ntlmssp/releases/tag/v1.2.0" } ] }, "source": { "advisory": "GHSA-jjjx-5qf7-9mgf", "discovery": "UNKNOWN" } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:gss-ntlmssp_project:gss-ntlmssp:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "1.2.0", "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2023-25563" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, multiple out-of-bounds reads when decoding NTLM fields can trigger a denial of service. A 32-bit integer overflow condition can lead to incorrect checks of consistency of length of internal buffers. Although most applications will error out before accepting a singe input buffer of 4GB in length this could theoretically happen. This vulnerability can be triggered via the main `gss_accept_sec_context` entry point if the application allows tokens greater than 4GB in length. This can lead to a large, up to 65KB, out-of-bounds read which could cause a denial-of-service if it reads from unmapped memory. Version 1.2.0 contains a patch for the out-of-bounds reads." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-125" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/gssapi/gss-ntlmssp/commit/97c62c6167299028d80765080e74d91dfc99efbd", "refsource": "MISC", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/gssapi/gss-ntlmssp/commit/97c62c6167299028d80765080e74d91dfc99efbd" }, { "name": "https://github.com/gssapi/gss-ntlmssp/releases/tag/v1.2.0", "refsource": "MISC", "tags": [ "Third Party Advisory" ], "url": "https://github.com/gssapi/gss-ntlmssp/releases/tag/v1.2.0" }, { "name": "https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-jjjx-5qf7-9mgf", "refsource": "MISC", "tags": [ "Third Party Advisory" ], "url": "https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-jjjx-5qf7-9mgf" } ] } }, "impact": { "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } }, "lastModifiedDate": "2023-02-22T18:37Z", "publishedDate": "2023-02-14T18:15Z" } } }
wid-sec-w-2023-1238
Vulnerability from csaf_certbund
Published
2023-05-16 22:00
Modified
2023-11-15 23:00
Summary
Red Hat Enterprise Linux: Mehrere Schwachstellen in verschiedenen Komponenten
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution.
Angriff
Ein entfernter, anonymer oder lokaler Angreifer kann mehrere Schwachstellen in verschiedenen Komponenten von Red Hat Enterprise Linux ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
Betroffene Betriebssysteme
- Linux
{ "document": { "aggregate_severity": { "text": "mittel" }, "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "de-DE", "notes": [ { "category": "legal_disclaimer", "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen." }, { "category": "description", "text": "Red Hat Enterprise Linux (RHEL) ist eine popul\u00e4re Linux-Distribution.", "title": "Produktbeschreibung" }, { "category": "summary", "text": "Ein entfernter, anonymer oder lokaler Angreifer kann mehrere Schwachstellen in verschiedenen Komponenten von Red Hat Enterprise Linux ausnutzen, um die Vertraulichkeit, Integrit\u00e4t und Verf\u00fcgbarkeit zu gef\u00e4hrden.", "title": "Angriff" }, { "category": "general", "text": "- Linux", "title": "Betroffene Betriebssysteme" } ], "publisher": { "category": "other", "contact_details": "csaf-provider@cert-bund.de", "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik", "namespace": "https://www.bsi.bund.de" }, "references": [ { "category": "self", "summary": "WID-SEC-W-2023-1238 - CSAF Version", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1238.json" }, { "category": "self", "summary": "WID-SEC-2023-1238 - Portal Version", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1238" }, { "category": "external", "summary": "Amazon Linux Security Advisory ALAS-2023-2343 vom 2023-11-16", "url": "https://alas.aws.amazon.com/AL2/ALAS-2023-2343.html" }, { "category": "external", "summary": "Amazon Linux Security Advisory ALAS2-2023-2103 vom 2023-07-01", "url": "https://alas.aws.amazon.com/AL2/ALAS-2023-2103.html" }, { "category": "external", "summary": "Oracle Linux Security Advisory ELSA-2023-3097 vom 2023-05-24", "url": "https://linux.oracle.com/errata/ELSA-2023-3097.html" }, { "category": "external", "summary": "Oracle Linux Security Advisory ELSA-2023-2863 vom 2023-05-24", "url": "https://linux.oracle.com/errata/ELSA-2023-2863.html" }, { "category": "external", "summary": "Oracle Linux Security Advisory ELSA-2023-2898 vom 2023-05-24", "url": "https://linux.oracle.com/errata/ELSA-2023-2898.html" }, { "category": "external", "summary": "Red Hat Security Advisory vom 2023-05-16", "url": "https://access.redhat.com/errata/RHSA-2023:3097" }, { "category": "external", "summary": "Red Hat Security Advisory vom 2023-05-16", "url": "https://access.redhat.com/errata/RHSA-2023:2898" }, { "category": "external", "summary": "Red Hat Security Advisory vom 2023-05-16", "url": "https://access.redhat.com/errata/RHSA-2023:2863" }, { "category": "external", "summary": "Red Hat Security Advisory vom 2023-05-16", "url": "https://access.redhat.com/errata/RHSA-2023:2786" } ], "source_lang": "en-US", "title": "Red Hat Enterprise Linux: Mehrere Schwachstellen in verschiedenen Komponenten", "tracking": { "current_release_date": "2023-11-15T23:00:00.000+00:00", "generator": { "date": "2024-02-15T17:28:03.391+00:00", "engine": { "name": "BSI-WID", "version": "1.3.0" } }, "id": "WID-SEC-W-2023-1238", "initial_release_date": "2023-05-16T22:00:00.000+00:00", "revision_history": [ { "date": "2023-05-16T22:00:00.000+00:00", "number": "1", "summary": "Initiale Fassung" }, { "date": "2023-05-23T22:00:00.000+00:00", "number": "2", "summary": "Neue Updates von Oracle Linux aufgenommen" }, { "date": "2023-05-24T22:00:00.000+00:00", "number": "3", "summary": "Neue Updates von Oracle Linux aufgenommen" }, { "date": "2023-07-02T22:00:00.000+00:00", "number": "4", "summary": "Neue Updates von Amazon aufgenommen" }, { "date": "2023-11-15T23:00:00.000+00:00", "number": "5", "summary": "Neue Updates von Amazon aufgenommen" } ], "status": "final", "version": "5" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_name", "name": "Amazon Linux 2", "product": { "name": "Amazon Linux 2", "product_id": "398363", "product_identification_helper": { "cpe": "cpe:/o:amazon:linux_2:-" } } } ], "category": "vendor", "name": "Amazon" }, { "branches": [ { "category": "product_name", "name": "Oracle Linux", "product": { "name": "Oracle Linux", "product_id": "T004914", "product_identification_helper": { "cpe": "cpe:/o:oracle:linux:-" } } } ], "category": "vendor", "name": "Oracle" }, { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux 8", "product": { "name": "Red Hat Enterprise Linux 8", "product_id": "T014111", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:8" } } } ], "category": "vendor", "name": "Red Hat" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-25567", "notes": [ { "category": "description", "text": "Es existieren mehrere Schwachstellen in Red Hat Enterprise Linux. Betroffen sind die Komponenten \"wayland\", \"ctags\", \"libtar\" und \"gssntlmssp\". Ein entfernter, anonymer oder lokaler Angreifer kann diese Schwachstellen ausnutzen, um die Vertraulichkeit, die Integrit\u00e4t und die Verf\u00fcgbarkeit zu beeintr\u00e4chtigen. Zur erfolgreichen Ausnutzung einiger dieser Schwachstellen ist eine Benutzeraktion erforderlich." } ], "product_status": { "known_affected": [ "398363", "T004914", "T014111" ] }, "release_date": "2023-05-16T22:00:00Z", "title": "CVE-2023-25567" }, { "cve": "CVE-2023-25566", "notes": [ { "category": "description", "text": "Es existieren mehrere Schwachstellen in Red Hat Enterprise Linux. Betroffen sind die Komponenten \"wayland\", \"ctags\", \"libtar\" und \"gssntlmssp\". Ein entfernter, anonymer oder lokaler Angreifer kann diese Schwachstellen ausnutzen, um die Vertraulichkeit, die Integrit\u00e4t und die Verf\u00fcgbarkeit zu beeintr\u00e4chtigen. Zur erfolgreichen Ausnutzung einiger dieser Schwachstellen ist eine Benutzeraktion erforderlich." } ], "product_status": { "known_affected": [ "398363", "T004914", "T014111" ] }, "release_date": "2023-05-16T22:00:00Z", "title": "CVE-2023-25566" }, { "cve": "CVE-2023-25565", "notes": [ { "category": "description", "text": "Es existieren mehrere Schwachstellen in Red Hat Enterprise Linux. Betroffen sind die Komponenten \"wayland\", \"ctags\", \"libtar\" und \"gssntlmssp\". Ein entfernter, anonymer oder lokaler Angreifer kann diese Schwachstellen ausnutzen, um die Vertraulichkeit, die Integrit\u00e4t und die Verf\u00fcgbarkeit zu beeintr\u00e4chtigen. Zur erfolgreichen Ausnutzung einiger dieser Schwachstellen ist eine Benutzeraktion erforderlich." } ], "product_status": { "known_affected": [ "398363", "T004914", "T014111" ] }, "release_date": "2023-05-16T22:00:00Z", "title": "CVE-2023-25565" }, { "cve": "CVE-2023-25564", "notes": [ { "category": "description", "text": "Es existieren mehrere Schwachstellen in Red Hat Enterprise Linux. Betroffen sind die Komponenten \"wayland\", \"ctags\", \"libtar\" und \"gssntlmssp\". Ein entfernter, anonymer oder lokaler Angreifer kann diese Schwachstellen ausnutzen, um die Vertraulichkeit, die Integrit\u00e4t und die Verf\u00fcgbarkeit zu beeintr\u00e4chtigen. Zur erfolgreichen Ausnutzung einiger dieser Schwachstellen ist eine Benutzeraktion erforderlich." } ], "product_status": { "known_affected": [ "398363", "T004914", "T014111" ] }, "release_date": "2023-05-16T22:00:00Z", "title": "CVE-2023-25564" }, { "cve": "CVE-2023-25563", "notes": [ { "category": "description", "text": "Es existieren mehrere Schwachstellen in Red Hat Enterprise Linux. Betroffen sind die Komponenten \"wayland\", \"ctags\", \"libtar\" und \"gssntlmssp\". Ein entfernter, anonymer oder lokaler Angreifer kann diese Schwachstellen ausnutzen, um die Vertraulichkeit, die Integrit\u00e4t und die Verf\u00fcgbarkeit zu beeintr\u00e4chtigen. Zur erfolgreichen Ausnutzung einiger dieser Schwachstellen ist eine Benutzeraktion erforderlich." } ], "product_status": { "known_affected": [ "398363", "T004914", "T014111" ] }, "release_date": "2023-05-16T22:00:00Z", "title": "CVE-2023-25563" }, { "cve": "CVE-2022-4515", "notes": [ { "category": "description", "text": "Es existieren mehrere Schwachstellen in Red Hat Enterprise Linux. Betroffen sind die Komponenten \"wayland\", \"ctags\", \"libtar\" und \"gssntlmssp\". Ein entfernter, anonymer oder lokaler Angreifer kann diese Schwachstellen ausnutzen, um die Vertraulichkeit, die Integrit\u00e4t und die Verf\u00fcgbarkeit zu beeintr\u00e4chtigen. Zur erfolgreichen Ausnutzung einiger dieser Schwachstellen ist eine Benutzeraktion erforderlich." } ], "product_status": { "known_affected": [ "398363", "T004914", "T014111" ] }, "release_date": "2023-05-16T22:00:00Z", "title": "CVE-2022-4515" }, { "cve": "CVE-2021-3782", "notes": [ { "category": "description", "text": "Es existieren mehrere Schwachstellen in Red Hat Enterprise Linux. Betroffen sind die Komponenten \"wayland\", \"ctags\", \"libtar\" und \"gssntlmssp\". Ein entfernter, anonymer oder lokaler Angreifer kann diese Schwachstellen ausnutzen, um die Vertraulichkeit, die Integrit\u00e4t und die Verf\u00fcgbarkeit zu beeintr\u00e4chtigen. Zur erfolgreichen Ausnutzung einiger dieser Schwachstellen ist eine Benutzeraktion erforderlich." } ], "product_status": { "known_affected": [ "398363", "T004914", "T014111" ] }, "release_date": "2023-05-16T22:00:00Z", "title": "CVE-2021-3782" }, { "cve": "CVE-2021-33646", "notes": [ { "category": "description", "text": "Es existieren mehrere Schwachstellen in Red Hat Enterprise Linux. Betroffen sind die Komponenten \"wayland\", \"ctags\", \"libtar\" und \"gssntlmssp\". Ein entfernter, anonymer oder lokaler Angreifer kann diese Schwachstellen ausnutzen, um die Vertraulichkeit, die Integrit\u00e4t und die Verf\u00fcgbarkeit zu beeintr\u00e4chtigen. Zur erfolgreichen Ausnutzung einiger dieser Schwachstellen ist eine Benutzeraktion erforderlich." } ], "product_status": { "known_affected": [ "398363", "T004914", "T014111" ] }, "release_date": "2023-05-16T22:00:00Z", "title": "CVE-2021-33646" }, { "cve": "CVE-2021-33645", "notes": [ { "category": "description", "text": "Es existieren mehrere Schwachstellen in Red Hat Enterprise Linux. Betroffen sind die Komponenten \"wayland\", \"ctags\", \"libtar\" und \"gssntlmssp\". Ein entfernter, anonymer oder lokaler Angreifer kann diese Schwachstellen ausnutzen, um die Vertraulichkeit, die Integrit\u00e4t und die Verf\u00fcgbarkeit zu beeintr\u00e4chtigen. Zur erfolgreichen Ausnutzung einiger dieser Schwachstellen ist eine Benutzeraktion erforderlich." } ], "product_status": { "known_affected": [ "398363", "T004914", "T014111" ] }, "release_date": "2023-05-16T22:00:00Z", "title": "CVE-2021-33645" }, { "cve": "CVE-2021-33644", "notes": [ { "category": "description", "text": "Es existieren mehrere Schwachstellen in Red Hat Enterprise Linux. Betroffen sind die Komponenten \"wayland\", \"ctags\", \"libtar\" und \"gssntlmssp\". Ein entfernter, anonymer oder lokaler Angreifer kann diese Schwachstellen ausnutzen, um die Vertraulichkeit, die Integrit\u00e4t und die Verf\u00fcgbarkeit zu beeintr\u00e4chtigen. Zur erfolgreichen Ausnutzung einiger dieser Schwachstellen ist eine Benutzeraktion erforderlich." } ], "product_status": { "known_affected": [ "398363", "T004914", "T014111" ] }, "release_date": "2023-05-16T22:00:00Z", "title": "CVE-2021-33644" }, { "cve": "CVE-2021-33643", "notes": [ { "category": "description", "text": "Es existieren mehrere Schwachstellen in Red Hat Enterprise Linux. Betroffen sind die Komponenten \"wayland\", \"ctags\", \"libtar\" und \"gssntlmssp\". Ein entfernter, anonymer oder lokaler Angreifer kann diese Schwachstellen ausnutzen, um die Vertraulichkeit, die Integrit\u00e4t und die Verf\u00fcgbarkeit zu beeintr\u00e4chtigen. Zur erfolgreichen Ausnutzung einiger dieser Schwachstellen ist eine Benutzeraktion erforderlich." } ], "product_status": { "known_affected": [ "398363", "T004914", "T014111" ] }, "release_date": "2023-05-16T22:00:00Z", "title": "CVE-2021-33643" } ] }
rhsa-2023_3097
Vulnerability from csaf_redhat
Published
2023-05-16 10:07
Modified
2024-11-06 03:01
Summary
Red Hat Security Advisory: gssntlmssp security update
Notes
Topic
An update for gssntlmssp is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The gssntlmssp is a GSSAPI NTLM mechanism that allows to perform NTLM authentication in GSSAPI programs.
Security Fix(es):
* gssntlmssp: multiple out-of-bounds read when decoding NTLM fields (CVE-2023-25563)
* gssntlmssp: memory corruption when decoding UTF16 strings (CVE-2023-25564)
* gssntlmssp: incorrect free when decoding target information (CVE-2023-25565)
* gssntlmssp: memory leak when parsing usernames (CVE-2023-25566)
* gssntlmssp: out-of-bounds read when decoding target information (CVE-2023-25567)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Moderate" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for gssntlmssp is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The gssntlmssp is a GSSAPI NTLM mechanism that allows to perform NTLM authentication in GSSAPI programs.\n\nSecurity Fix(es):\n\n* gssntlmssp: multiple out-of-bounds read when decoding NTLM fields (CVE-2023-25563)\n\n* gssntlmssp: memory corruption when decoding UTF16 strings (CVE-2023-25564)\n\n* gssntlmssp: incorrect free when decoding target information (CVE-2023-25565)\n\n* gssntlmssp: memory leak when parsing usernames (CVE-2023-25566)\n\n* gssntlmssp: out-of-bounds read when decoding target information (CVE-2023-25567)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2023:3097", "url": "https://access.redhat.com/errata/RHSA-2023:3097" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "2172019", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2172019" }, { "category": "external", "summary": "2172020", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2172020" }, { "category": "external", "summary": "2172021", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2172021" }, { "category": "external", "summary": "2172022", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2172022" }, { "category": "external", "summary": "2172023", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2172023" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_3097.json" } ], "title": "Red Hat Security Advisory: gssntlmssp security update", "tracking": { "current_release_date": "2024-11-06T03:01:03+00:00", "generator": { "date": "2024-11-06T03:01:03+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2023:3097", "initial_release_date": "2023-05-16T10:07:29+00:00", "revision_history": [ { "date": "2023-05-16T10:07:29+00:00", "number": "1", "summary": "Initial version" }, { "date": "2023-05-16T10:07:29+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-06T03:01:03+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux AppStream (v. 8)", "product": { "name": "Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.8.0.Z.MAIN.EUS", "product_identification_helper": { "cpe": "cpe:/a:redhat:enterprise_linux:8::appstream" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux" }, { "branches": [ { "category": "product_version", "name": "gssntlmssp-0:1.2.0-1.el8_8.src", "product": { "name": "gssntlmssp-0:1.2.0-1.el8_8.src", "product_id": "gssntlmssp-0:1.2.0-1.el8_8.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/gssntlmssp@1.2.0-1.el8_8?arch=src" } } } ], "category": "architecture", "name": "src" }, { "branches": [ { "category": "product_version", "name": "gssntlmssp-0:1.2.0-1.el8_8.aarch64", "product": { "name": "gssntlmssp-0:1.2.0-1.el8_8.aarch64", "product_id": "gssntlmssp-0:1.2.0-1.el8_8.aarch64", "product_identification_helper": { "purl": "pkg:rpm/redhat/gssntlmssp@1.2.0-1.el8_8?arch=aarch64" } } }, { "category": "product_version", "name": "gssntlmssp-debugsource-0:1.2.0-1.el8_8.aarch64", "product": { "name": "gssntlmssp-debugsource-0:1.2.0-1.el8_8.aarch64", "product_id": "gssntlmssp-debugsource-0:1.2.0-1.el8_8.aarch64", "product_identification_helper": { "purl": "pkg:rpm/redhat/gssntlmssp-debugsource@1.2.0-1.el8_8?arch=aarch64" } } }, { "category": "product_version", "name": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.aarch64", "product": { "name": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.aarch64", "product_id": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.aarch64", "product_identification_helper": { "purl": "pkg:rpm/redhat/gssntlmssp-debuginfo@1.2.0-1.el8_8?arch=aarch64" } } } ], "category": "architecture", "name": "aarch64" }, { "branches": [ { "category": "product_version", "name": "gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "product": { "name": "gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "product_id": "gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "product_identification_helper": { "purl": "pkg:rpm/redhat/gssntlmssp@1.2.0-1.el8_8?arch=ppc64le" } } }, { "category": "product_version", "name": "gssntlmssp-debugsource-0:1.2.0-1.el8_8.ppc64le", "product": { "name": "gssntlmssp-debugsource-0:1.2.0-1.el8_8.ppc64le", "product_id": "gssntlmssp-debugsource-0:1.2.0-1.el8_8.ppc64le", "product_identification_helper": { "purl": "pkg:rpm/redhat/gssntlmssp-debugsource@1.2.0-1.el8_8?arch=ppc64le" } } }, { "category": "product_version", "name": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.ppc64le", "product": { "name": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.ppc64le", "product_id": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.ppc64le", "product_identification_helper": { "purl": "pkg:rpm/redhat/gssntlmssp-debuginfo@1.2.0-1.el8_8?arch=ppc64le" } } } ], "category": "architecture", "name": "ppc64le" }, { "branches": [ { "category": "product_version", "name": "gssntlmssp-0:1.2.0-1.el8_8.x86_64", "product": { "name": "gssntlmssp-0:1.2.0-1.el8_8.x86_64", "product_id": "gssntlmssp-0:1.2.0-1.el8_8.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/gssntlmssp@1.2.0-1.el8_8?arch=x86_64" } } }, { "category": "product_version", "name": "gssntlmssp-debugsource-0:1.2.0-1.el8_8.x86_64", "product": { "name": "gssntlmssp-debugsource-0:1.2.0-1.el8_8.x86_64", "product_id": "gssntlmssp-debugsource-0:1.2.0-1.el8_8.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/gssntlmssp-debugsource@1.2.0-1.el8_8?arch=x86_64" } } }, { "category": "product_version", "name": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.x86_64", "product": { "name": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.x86_64", "product_id": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/gssntlmssp-debuginfo@1.2.0-1.el8_8?arch=x86_64" } } } ], "category": "architecture", "name": "x86_64" }, { "branches": [ { "category": "product_version", "name": "gssntlmssp-0:1.2.0-1.el8_8.s390x", "product": { "name": "gssntlmssp-0:1.2.0-1.el8_8.s390x", "product_id": "gssntlmssp-0:1.2.0-1.el8_8.s390x", "product_identification_helper": { "purl": "pkg:rpm/redhat/gssntlmssp@1.2.0-1.el8_8?arch=s390x" } } }, { "category": "product_version", "name": "gssntlmssp-debugsource-0:1.2.0-1.el8_8.s390x", "product": { "name": "gssntlmssp-debugsource-0:1.2.0-1.el8_8.s390x", "product_id": "gssntlmssp-debugsource-0:1.2.0-1.el8_8.s390x", "product_identification_helper": { "purl": "pkg:rpm/redhat/gssntlmssp-debugsource@1.2.0-1.el8_8?arch=s390x" } } }, { "category": "product_version", "name": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.s390x", "product": { "name": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.s390x", "product_id": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.s390x", "product_identification_helper": { "purl": "pkg:rpm/redhat/gssntlmssp-debuginfo@1.2.0-1.el8_8?arch=s390x" } } } ], "category": "architecture", "name": "s390x" } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "gssntlmssp-0:1.2.0-1.el8_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.aarch64" }, "product_reference": "gssntlmssp-0:1.2.0-1.el8_8.aarch64", "relates_to_product_reference": "AppStream-8.8.0.Z.MAIN.EUS" }, { "category": "default_component_of", "full_product_name": { "name": "gssntlmssp-0:1.2.0-1.el8_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.ppc64le" }, "product_reference": "gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "relates_to_product_reference": 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}, "product_reference": "gssntlmssp-0:1.2.0-1.el8_8.x86_64", "relates_to_product_reference": "AppStream-8.8.0.Z.MAIN.EUS" }, { "category": "default_component_of", "full_product_name": { "name": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.aarch64" }, "product_reference": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.aarch64", "relates_to_product_reference": "AppStream-8.8.0.Z.MAIN.EUS" }, { "category": "default_component_of", "full_product_name": { "name": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.ppc64le" }, "product_reference": "gssntlmssp-debuginfo-0:1.2.0-1.el8_8.ppc64le", "relates_to_product_reference": "AppStream-8.8.0.Z.MAIN.EUS" }, { "category": "default_component_of", "full_product_name": { "name": 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"full_product_name": { "name": "gssntlmssp-debugsource-0:1.2.0-1.el8_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.x86_64" }, "product_reference": "gssntlmssp-debugsource-0:1.2.0-1.el8_8.x86_64", "relates_to_product_reference": "AppStream-8.8.0.Z.MAIN.EUS" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-25563", "cwe": { "id": "CWE-125", "name": "Out-of-bounds Read" }, "discovery_date": "2023-02-21T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2172019" } ], "notes": [ { "category": "description", "text": "A flaw was found in GSS-NTLMSSP, a mechglue plugin for the GSSAPI library that implements NTLM authentication. Multiple out-of-bounds reads occur when decoding NTLM fields and can trigger a denial of service. A 32-bit integer overflow condition can lead to incorrect checks of the consistency of the length of internal buffers. Although most applications will error out before accepting a single input buffer of 4GB in length, this issue can happen. This vulnerability can be triggered via the main `gss_accept_sec_context` entry point if the application allows tokens greater than 4GB in length, leading to a large, up to 65KB, out-of-bounds read, which could cause a denial of service if it reads from unmapped memory.", "title": "Vulnerability description" }, { "category": "summary", "text": "gssntlmssp: multiple out-of-bounds read when decoding NTLM fields", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.src", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.x86_64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.x86_64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-25563" }, { "category": "external", "summary": "RHBZ#2172019", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2172019" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-25563", "url": "https://www.cve.org/CVERecord?id=CVE-2023-25563" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-25563", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-25563" }, { "category": "external", "summary": "https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-jjjx-5qf7-9mgf", "url": "https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-jjjx-5qf7-9mgf" } ], "release_date": "2023-02-14T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-05-16T10:07:29+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.src", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.x86_64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.x86_64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:3097" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.src", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.x86_64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.x86_64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "gssntlmssp: multiple out-of-bounds read when decoding NTLM fields" }, { "cve": "CVE-2023-25564", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "discovery_date": "2023-02-21T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2172020" } ], "notes": [ { "category": "description", "text": "A flaw was found in GSS-NTLMSSP, a mechglue plugin for the GSSAPI library that implements NTLM authentication. Memory corruption can be triggered when decoding UTF16 strings. The variable `outlen` was not initialized and could cause writing a zero to an arbitrary place in memory if the `ntlm_str_convert()` fails, which would leave `outlen` uninitialized. This issue can lead to a denial of service if the write hits unmapped memory or randomly corrupts a byte in the application memory space. This vulnerability can trigger an out-of-bounds write, leading to memory corruption, and can be triggered via the main `gss_accept_sec_context` entry point.", "title": "Vulnerability description" }, { "category": "summary", "text": "gssntlmssp: memory corruption when decoding UTF16 strings", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.src", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.x86_64", 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}, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-25564", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-25564" }, { "category": "external", "summary": "https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-r85x-q5px-9xfq", "url": "https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-r85x-q5px-9xfq" } ], "release_date": "2023-02-14T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-05-16T10:07:29+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.src", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.x86_64", 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An incorrect free when decoding target information can trigger a denial of service. The error condition incorrectly assumes the `cb` and `sh` buffers contain a copy of the data that needs to be freed. However, that is not the case. This vulnerability can be triggered via the main `gss_accept_sec_context` entry point. This issue will likely trigger an assertion failure in `free,` causing a denial of service.", "title": "Vulnerability description" }, { "category": "summary", "text": "gssntlmssp: incorrect free when decoding target information", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.src", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.x86_64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.aarch64", 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"https://nvd.nist.gov/vuln/detail/CVE-2023-25565", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-25565" }, { "category": "external", "summary": "https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-7q7f-wqcg-mvfg", "url": "https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-7q7f-wqcg-mvfg" } ], "release_date": "2023-02-14T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-05-16T10:07:29+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.src", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.x86_64", 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"NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.src", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.x86_64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.x86_64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "gssntlmssp: incorrect free when decoding target information" }, { "cve": "CVE-2023-25566", "cwe": { "id": "CWE-401", "name": "Missing Release of Memory after Effective Lifetime" }, "discovery_date": "2023-02-21T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2172022" } ], "notes": [ { "category": "description", "text": "A flaw was found in GSS-NTLMSSP, a mechglue plugin for the GSSAPI library that implements NTLM authentication. A memory leak can be triggered when parsing usernames, triggering a denial of service. The domain portion of a username may be overridden, causing an allocated memory area the size of the domain name to be leaked. This flaw allows an attacker to leak memory via the main `gss_accept_sec_context` entry point, potentially causing a denial of service.", "title": "Vulnerability description" }, { "category": "summary", "text": "gssntlmssp: memory leak when parsing usernames", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.src", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.x86_64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.aarch64", 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"https://nvd.nist.gov/vuln/detail/CVE-2023-25566", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-25566" }, { "category": "external", "summary": "https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-mfm4-6g58-jw74", "url": "https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-mfm4-6g58-jw74" } ], "release_date": "2023-02-14T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-05-16T10:07:29+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.src", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.x86_64", 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It has an out-of-bounds read when decoding target information. The length of the `av_pair` is not checked properly for two of the elements, which can trigger an out-of-bounds read via the main `gss_accept_sec_context` entry point and could cause a denial of service if the memory is unmapped.", "title": "Vulnerability description" }, { "category": "summary", "text": "gssntlmssp: out-of-bounds read when decoding target information", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.src", 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"https://www.cve.org/CVERecord?id=CVE-2023-25567", "url": "https://www.cve.org/CVERecord?id=CVE-2023-25567" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-25567", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-25567" }, { "category": "external", "summary": "https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-24pf-6prf-24ch", "url": "https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-24pf-6prf-24ch" } ], "release_date": "2023-02-14T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-05-16T10:07:29+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.src", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.x86_64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.x86_64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:3097" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.src", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-0:1.2.0-1.el8_8.x86_64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debuginfo-0:1.2.0-1.el8_8.x86_64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.aarch64", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.ppc64le", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.s390x", "AppStream-8.8.0.Z.MAIN.EUS:gssntlmssp-debugsource-0:1.2.0-1.el8_8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "gssntlmssp: out-of-bounds read when decoding target information" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.