Vulnerability Details : CVE-2022-26126
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.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2022-26126
Probability of exploitation activity in the next 30 days: 0.08%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 34 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2022-26126
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2022-26126
-
The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2022-26126
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MIEQNIWUSBQTFR65HM2LLIB7PH27CZUZ/
[SECURITY] Fedora 34 Update: frr-8.0.1-2.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://github.com/FRRouting/frr/issues/10505
isisd: misusing strdup leads to stack overflow · Issue #10505 · FRRouting/frr · GitHubExploit;Issue Tracking;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VTYSAL4QCE4XWMMBKUB7LSLPAFLWUML4/
[SECURITY] Fedora 36 Update: frr-8.2.2-2.fc36 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XUCZR6RYQVZ35BFUV7OLIUEHZW2433I2/
[SECURITY] Fedora 35 Update: frr-8.2.2-2.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
Products affected by CVE-2022-26126
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
- cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:*