gsd-2020-17525
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
Subversion's mod_authz_svn module will crash if the server is using in-repository authz rules with the AuthzSVNReposRelativeAccessFile option and a client sends a request for a non-existing repository URL. This can lead to disruption for users of the service. This issue was fixed in mod_dav_svn+mod_authz_svn servers 1.14.1 and mod_dav_svn+mod_authz_svn servers 1.10.7
Aliases
Aliases
{ "GSD": { "alias": "CVE-2020-17525", "description": "Subversion\u0027s mod_authz_svn module will crash if the server is using in-repository authz rules with the AuthzSVNReposRelativeAccessFile option and a client sends a request for a non-existing repository URL. This can lead to disruption for users of the service. This issue was fixed in mod_dav_svn+mod_authz_svn servers 1.14.1 and mod_dav_svn+mod_authz_svn servers 1.10.7", "id": "GSD-2020-17525", "references": [ "https://www.suse.com/security/cve/CVE-2020-17525.html", "https://www.debian.org/security/2021/dsa-4851", "https://access.redhat.com/errata/RHSA-2021:0509", "https://access.redhat.com/errata/RHSA-2021:0508", "https://access.redhat.com/errata/RHSA-2021:0507", "https://ubuntu.com/security/CVE-2020-17525", "https://advisories.mageia.org/CVE-2020-17525.html", "https://security.archlinux.org/CVE-2020-17525", "https://alas.aws.amazon.com/cve/html/CVE-2020-17525.html", "https://linux.oracle.com/cve/CVE-2020-17525.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2020-17525" ], "details": "Subversion\u0027s mod_authz_svn module will crash if the server is using in-repository authz rules with the AuthzSVNReposRelativeAccessFile option and a client sends a request for a non-existing repository URL. This can lead to disruption for users of the service. This issue was fixed in mod_dav_svn+mod_authz_svn servers 1.14.1 and mod_dav_svn+mod_authz_svn servers 1.10.7", "id": "GSD-2020-17525", "modified": "2023-12-13T01:21:50.428459Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "security@apache.org", "ID": "CVE-2020-17525", "STATE": "PUBLIC", "TITLE": "Remote unauthenticated denial-of-service in Subversion mod_authz_svn" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Apache Subversion", "version": { "version_data": [ { "version_affected": "\u003c", "version_name": "mod_authz_svn", "version_value": "1.14.1" }, { "version_affected": "!", "version_name": "mod_authz_svn", "version_value": "1.10.7" } ] } } ] }, "vendor_name": "Apache Software Foundation" } ] } }, "credit": [ { "lang": "eng", "value": "Thomas \u00c5kesson (simonsoft.se)" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Subversion\u0027s mod_authz_svn module will crash if the server is using in-repository authz rules with the AuthzSVNReposRelativeAccessFile option and a client sends a request for a non-existing repository URL. This can lead to disruption for users of the service. This issue was fixed in mod_dav_svn+mod_authz_svn servers 1.14.1 and mod_dav_svn+mod_authz_svn servers 1.10.7" } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "impact": {}, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-476 NULL Pointer Dereference" } ] } ] }, "references": { "reference_data": [ { "name": "https://subversion.apache.org/security/CVE-2020-17525-advisory.txt", "refsource": "MISC", "url": "https://subversion.apache.org/security/CVE-2020-17525-advisory.txt" }, { "name": "[debian-lts-announce] 20210504 [SECURITY] [DLA 2646-1] subversion security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00000.html" } ] }, "source": { "discovery": "UNKNOWN" }, "work_around": [ { "lang": "eng", "value": "As a workaround, the use of in-repository authz rules files with the AuthzSVNReposRelativeAccessFile can be avoided by switching to an alternative configuration which fetches an authz rules file from the server\u0027s filesystem, rather than from an SVN repository." } ] }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "1.10.7", "versionStartIncluding": "1.9.0", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "1.14.1", "versionStartIncluding": "1.11.0", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "security@apache.org", "ID": "CVE-2020-17525" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "Subversion\u0027s mod_authz_svn module will crash if the server is using in-repository authz rules with the AuthzSVNReposRelativeAccessFile option and a client sends a request for a non-existing repository URL. This can lead to disruption for users of the service. This issue was fixed in mod_dav_svn+mod_authz_svn servers 1.14.1 and mod_dav_svn+mod_authz_svn servers 1.10.7" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-476" } ] } ] }, "references": { "reference_data": [ { "name": "https://subversion.apache.org/security/CVE-2020-17525-advisory.txt", "refsource": "MISC", "tags": [ "Exploit", "Patch", "Vendor Advisory" ], "url": "https://subversion.apache.org/security/CVE-2020-17525-advisory.txt" }, { "name": "[debian-lts-announce] 20210504 [SECURITY] [DLA 2646-1] subversion security update", "refsource": "MLIST", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00000.html" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false }, "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": "2022-01-01T18:03Z", "publishedDate": "2021-03-17T10:15Z" } } }
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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.