| Name | CVE-2018-1000001 |
| Description | In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before the destination buffer leading to a buffer underflow and potential code execution. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | ELA-724-1, ELA-725-1 |
| Debian Bugs | 887001 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| glibc (PTS) | jessie, jessie (lts) | 2.19-18+deb8u14 | fixed |
| stretch (security) | 2.24-11+deb9u1 | vulnerable |
| stretch (lts), stretch | 2.24-11+deb9u7 | fixed |
| buster (security), buster, buster (lts) | 2.28-10+deb10u4 | fixed |
| bullseye | 2.31-13+deb11u11 | fixed |
| bullseye (security) | 2.31-13+deb11u10 | fixed |
| bookworm | 2.36-9+deb12u9 | fixed |
| bookworm (security) | 2.36-9+deb12u7 | fixed |
| sid, trixie | 2.40-3 | fixed |
The information below is based on the following data on fixed versions.
Notes
[wheezy] - eglibc <postponed> (Minor issue, can be fixed along in next DSA)
https://www.openwall.com/lists/oss-security/2018/01/11/5
https://sourceware.org/bugzilla/show_bug.cgi?id=22679
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=52a713fdd0a30e1bd79818e2e3c4ab44ddca1a94