| Name | CVE-2015-8777 |
| Description | The process_envvars function in elf/rtld.c in the GNU C Library (aka glibc or libc6) before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero value of the LD_POINTER_GUARD environment variable. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-316-1, DSA-3480-1 |
| Debian Bugs | 798316, 801691 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| glibc (PTS) | buster | 2.28-10+deb10u1 | fixed |
| buster (security) | 2.28-10+deb10u2 | fixed |
| bullseye | 2.31-13+deb11u8 | fixed |
| bullseye (security) | 2.31-13+deb11u7 | fixed |
| bookworm, bookworm (security) | 2.36-9+deb12u4 | fixed |
| trixie | 2.37-15 | fixed |
| sid | 2.37-18 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://www.openwall.com/lists/oss-security/2015/09/05/8
Upstream bug https://sourceware.org/bugzilla/show_bug.cgi?id=18928
https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commit;h=a014cecd82b71b70a6a843e250e06b541ad524f7