| 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) |
| Debian Bugs | 887001 |
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+deb11u6 | fixed |
| bullseye (security) | 2.31-13+deb11u7 | fixed |
| bookworm | 2.36-9+deb12u2 | fixed |
| bookworm (security) | 2.36-9+deb12u3 | fixed |
| trixie | 2.37-12 | fixed |
| sid | 2.37-13 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| eglibc | source | (unstable) | (unfixed) | | | |
| glibc | source | (unstable) | 2.26-4 | | | 887001 |
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