rhsa-2017_2911
Vulnerability from csaf_redhat
Published
2017-10-18 16:12
Modified
2024-11-22 11:34
Summary
Red Hat Security Advisory: wpa_supplicant security update
Notes
Topic
An update for wpa_supplicant is now available for Red Hat Enterprise Linux 6.
Red Hat Product Security has rated this update as having a security impact of Important. 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 wpa_supplicant packages contain an 802.1X Supplicant with support for WEP, WPA, WPA2 (IEEE 802.11i / RSN), and various EAP authentication methods. They implement key negotiation with a WPA Authenticator for client stations and controls the roaming and IEEE 802.11 authentication and association of the WLAN driver.
Security Fix(es):
* A new exploitation technique called key reinstallation attacks (KRACK) affecting WPA2 has been discovered. A remote attacker within Wi-Fi range could exploit these attacks to decrypt Wi-Fi traffic or possibly inject forged Wi-Fi packets by manipulating cryptographic handshakes used by the WPA2 protocol. (CVE-2017-13077, CVE-2017-13078, CVE-2017-13080, CVE-2017-13087)
Red Hat would like to thank CERT for reporting these issues. Upstream acknowledges Mathy Vanhoef (University of Leuven) as the original reporter of these issues.
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": "Important" }, "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 wpa_supplicant is now available for Red Hat Enterprise Linux 6.\n\nRed Hat Product Security has rated this update as having a security impact of Important. 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 wpa_supplicant packages contain an 802.1X Supplicant with support for WEP, WPA, WPA2 (IEEE 802.11i / RSN), and various EAP authentication methods. They implement key negotiation with a WPA Authenticator for client stations and controls the roaming and IEEE 802.11 authentication and association of the WLAN driver.\n\nSecurity Fix(es):\n* A new exploitation technique called key reinstallation attacks (KRACK) affecting WPA2 has been discovered. A remote attacker within Wi-Fi range could exploit these attacks to decrypt Wi-Fi traffic or possibly inject forged Wi-Fi packets by manipulating cryptographic handshakes used by the WPA2 protocol. (CVE-2017-13077, CVE-2017-13078, CVE-2017-13080, CVE-2017-13087)\n\nRed Hat would like to thank CERT for reporting these issues. Upstream acknowledges Mathy Vanhoef (University of Leuven) as the original reporter of these issues.", "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-2017:2911", "url": "https://access.redhat.com/errata/RHSA-2017:2911" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/kracks", "url": "https://access.redhat.com/security/vulnerabilities/kracks" }, { "category": "external", "summary": "1491692", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1491692" }, { "category": "external", "summary": "1491693", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1491693" }, { "category": "external", "summary": "1491696", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1491696" }, { "category": "external", "summary": "1500303", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1500303" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2017/rhsa-2017_2911.json" } ], "title": "Red Hat Security Advisory: wpa_supplicant security update", "tracking": { "current_release_date": "2024-11-22T11:34:51+00:00", "generator": { "date": "2024-11-22T11:34:51+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2017:2911", "initial_release_date": "2017-10-18T16:12:37+00:00", 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} ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "CERT" ] }, { "names": [ "Mathy Vanhoef" ], "organization": "University of Leuven", "summary": "Acknowledged by upstream." } ], "cve": "CVE-2017-13077", "cwe": { "id": "CWE-323", "name": "Reusing a Nonce, Key Pair in Encryption" }, "discovery_date": "2017-08-28T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1491692" } ], "notes": [ { "category": "description", "text": "A new exploitation technique called key reinstallation attacks (KRACKs) affecting WPA2 has been discovered. A remote attacker within Wi-Fi range could exploit this attack to decrypt Wi-Fi traffic or possibly inject forged Wi-Fi packets by reinstalling a previously used pairwise key (PTK-TK) during a 4-way handshake.", "title": "Vulnerability description" }, { "category": "summary", "text": "wpa_supplicant: Reinstallation of the pairwise key in the 4-way handshake", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue affects the versions of wpa_supplicant as shipped with Red Hat Enterprise Linux 5, 6, and 7.", "title": "Statement" }, { "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": [ "6Client-6.9.z:wpa_supplicant-1:0.7.3-9.el6_9.2.i686", "6Client-6.9.z:wpa_supplicant-1:0.7.3-9.el6_9.2.ppc64", 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"https://nvd.nist.gov/vuln/detail/CVE-2017-13087" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/kracks", "url": "https://access.redhat.com/security/vulnerabilities/kracks" }, { "category": "external", "summary": "https://w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt", "url": "https://w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt" }, { "category": "external", "summary": "https://www.krackattacks.com/", "url": "https://www.krackattacks.com/" } ], "release_date": "2017-10-16T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2017-10-18T16:12:37+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": [ "6Client-6.9.z:wpa_supplicant-1:0.7.3-9.el6_9.2.i686", "6Client-6.9.z:wpa_supplicant-1:0.7.3-9.el6_9.2.ppc64", 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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.