Vulnerability Name:

CVE-2022-26129 (CCN-220966)

Assigned:2022-02-04
Published:2022-02-04
Updated:2022-03-09
Summary:Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to wrong checks on the subtlv length in the functions, parse_hello_subtlv, parse_ihu_subtlv, and parse_update_subtlv in babeld/message.c.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2022-26129

Source: XF
Type: UNKNOWN
frrouting-cve202226129-bo(220966)

Source: CCN
Type: FRRouting GIT Repository
babeld: bugs in parse_hello_subtlv, parse_ihu_subtlv, and parse_update_subtlv #10503

Source: MISC
Type: Exploit, Issue Tracking, Third Party Advisory
https://github.com/FRRouting/frr/issues/10503

Source: CCN
Type: Mend Vulnerability Database
CVE-2022-2612

Vulnerable Configuration:Configuration 1:
  • cpe:/a:frrouting:frrouting:*:*:*:*:*:*:*:* (Version <= 8.1)

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:3477
    P
    dracut-044.2-15.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:95107
    P
    frr-7.4-150300.4.3.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:102255
    P
    Security update for frr (Important)
    2022-03-18
    oval:org.opensuse.security:def:1694
    P
    Security update for frr (Important)
    2022-03-18
    BACK
    frrouting frrouting *