Description
libgssapi and libgssglue before 0.4 do not properly check privileges, which allows local users to load untrusted configuration files and execute arbitrary code via the GSSAPI_MECH_CONF environment variable, as demonstrated using mount.nfs.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libgssglue | 0.4-1 | — |
| Debian 13 | libgssglue | 0.4-1 | — |
| Debian 12 | libgssglue | 0.4-1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libgssglue | 0.4-5.10 | openSUSE-SU-2024:10085-1 |
Advisories 1
- openSUSE-SU-2024:10085-1 libgssglue-devel-0.4-5.10 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- [oss-security] 20110721 CVE Request -- libgssapi, libgssglue -- Ability to load untrusted configuration file, when loading GSS mechanisms and their definitions during initialization mailing-list
- https://bugzilla.novell.com/show_bug.cgi?id=694598
- FEDORA-2012-7971 vendor-advisory
- 45075 third-party-advisory
- 48490 vdb-entry
- http://www.citi.umich.edu/projects/nfsv4/linux/libgssglue/libgssglue-0.4.tar.gz
- [oss-security] 20110722 Re: CVE Request -- libgssapi, libgssglue -- Ability to load untrusted configuration file, when loading GSS mechanisms and their definitions during initialization mailing-list
- FEDORA-2012-8067 vendor-advisory
- [oss-security] 20110812 Re: CVE Request -- libgssapi, libgssglue -- Ability to load untrusted configuration file, when loading GSS mechanisms and their definitions during initialization mailing-list
- 50785 third-party-advisory
- 50973 third-party-advisory
- SUSE-SU-2011:0696 vendor-advisory