Vulnerability Name:

CVE-2022-26126 (CCN-220970)

Assigned:2022-02-05
Published:2022-02-05
Updated:2022-07-30
Summary:Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated binary string in isis_nb_notifications.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-2022-26126

Source: XF
Type: UNKNOWN
frrouting-cve202226126-bo(220970)

Source: CCN
Type: FRRouting GIT Repository
isisd: misusing strdup leads to stack overflow #10505

Source: MISC
Type: Exploit, Issue Tracking, Third Party Advisory
https://github.com/FRRouting/frr/issues/10505

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-c8c2e42934

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-376cb924bd

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-3b86b4a6ef

Vulnerable Configuration:Configuration 1:
  • cpe:/a:frrouting:frrouting:*:*:*:*:*:*:*:* (Version < 8.2)

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:35:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:36:*:*:*:*:*:*:*

    • * 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 *
    fedoraproject fedora 34
    fedoraproject fedora 35
    fedoraproject fedora 36