CVE-2023-39975

CVSS 8.8 HIGHEPSS 1.2%CWE-415

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.8EPSS 1.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

16 Aug 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

n/a · n/a

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References

https://github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840 https://github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-final https://security.netapp.com/advisory/ntap-20230915-0014/https://security.netapp.com/advisory/ntap-20240201-0005/https://security.netapp.com/advisory/ntap-20240201-0008/https://web.mit.edu/kerberos/www/advisories/