CVE-2023-39975
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.4 High
AI Score
Confidence
High
6.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
40.8%
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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| mit:kerberos_5 | mit kerberos 5 | lt | 1.21.2 |
| mit:kerberos_5 | mit kerberos 5 | eq | 1.21 |
| mit:kerberos_5 | mit kerberos 5 | eq | 1.21.1 |
References
github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840
github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-final
security.netapp.com/advisory/ntap-20230915-0014/
security.netapp.com/advisory/ntap-20240201-0005/
security.netapp.com/advisory/ntap-20240201-0008/
web.mit.edu/kerberos/www/advisories/
Related
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.4 High
AI Score
Confidence
High
6.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
40.8%