| Name | CVE-2017-7263 |
| Description | The bm_readbody_bmp function in bitmap_io.c in Potrace 1.14 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact via a crafted BMP image. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-8698. |
| 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 | 858763 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| potrace (PTS) | jessie | 1.12-1+deb8u1 | vulnerable |
| stretch | 1.13-3 | vulnerable |
| buster | 1.15-1 | fixed |
| sid, trixie, bullseye, bookworm | 1.16-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| potrace | source | (unstable) | 1.15-1 | | | 858763 |
Notes
[stretch] - potrace <no-dsa> (Minor issue)
[jessie] - potrace <no-dsa> (Minor issue)
[wheezy] - potrace <no-dsa> (Minor issue)
https://blogs.gentoo.org/ago/2017/03/03/potrace-heap-based-buffer-overflow-in-bm_readbody_bmp-bitmap_io-c-incomplete-fix-for-cve-2016-8698/
Proposed patch: https://github.com/asarubbo/poc/blob/master/00219-potrace-heapoverflow-bm_readbody_bmp-PATCH
This CVE is for an incomplete fix of CVE-2016-8698