9 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:C/I:C/A:C
0.018 Low
EPSS
Percentile
88.0%
The auth_gssapi_unwrap_data function in lib/rpc/auth_gssapi_misc.c in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 does not properly handle partial XDR deserialization, which allows remote authenticated users to cause a denial of service (use-after-free and double free, and daemon crash) or possibly execute arbitrary code via malformed XDR data, as demonstrated by data sent to kadmind.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | krb5 | < 1.12.1+dfsg-17 | krb5_1.12.1+dfsg-17_all.deb |
Debian | 11 | all | krb5 | < 1.12.1+dfsg-17 | krb5_1.12.1+dfsg-17_all.deb |
Debian | 10 | all | krb5 | < 1.12.1+dfsg-17 | krb5_1.12.1+dfsg-17_all.deb |
Debian | 999 | all | krb5 | < 1.12.1+dfsg-17 | krb5_1.12.1+dfsg-17_all.deb |
Debian | 13 | all | krb5 | < 1.12.1+dfsg-17 | krb5_1.12.1+dfsg-17_all.deb |