| Name | CVE-2017-9438 |
| Description | libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule (involving hex strings) that is mishandled in the _yr_re_emit function, a different vulnerability than CVE-2017-9304. |
| 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 | 864518 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| yara (PTS) | jessie | 3.1.0-2+deb8u1 | vulnerable |
| stretch | 3.5.0+dfsg-9 | vulnerable |
| buster | 3.9.0-1 | fixed |
| bullseye | 4.0.5-1 | fixed |
| bookworm | 4.2.3-4 | fixed |
| sid, trixie | 4.5.2-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| yara | source | (unstable) | 3.6.1+dfsg-1 | low | | 864518 |
Notes
[stretch] - yara <ignored> (Minor issue, too intrusive to backport)
[jessie] - yara <ignored> (Minor issue, too intrusive to backport)
https://github.com/VirusTotal/yara/issues/674
Fixed by: https://github.com/VirusTotal/yara/commit/10e8bd3071677dd1fa76beeef4bc2fc427cea5e7