CVE-2016-2191
medium
CVSS v3
6.5
CVSS v2
4.3
VIR risk
6.5
Description
The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-2191
Vendor advisory: secalert@redhat.com — https://sourceforge.net/p/optipng/bugs/59/
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| suse | 42.1 | affected | |
| suse | 13.2 | affected | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 15.04 | affected | |
| debian | 7.0 | affected | |
| debian | 8.0 | affected | |
| debian | bookworm | fixed | 0.7.6-1 |
| debian | bullseye | fixed | 0.7.6-1 |
| debian | forky | fixed | 0.7.6-1 |
| debian | sid | fixed | 0.7.6-1 |
| debian | trixie | fixed | 0.7.6-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| optipng | optipng | 0.7.2 | |
References
- http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.html
- http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.html
- http://packetstormsecurity.com/files/136553/Optipng-Invalid-Write.html
- http://seclists.org/fulldisclosure/2016/Apr/15
- http://www.debian.org/security/2016/dsa-3546
- http://www.openwall.com/lists/oss-security/2016/04/04/2
- http://www.securityfocus.com/archive/1/537972/100/0/threaded
- http://www.ubuntu.com/usn/USN-2951-1
- https://security.gentoo.org/glsa/201608-01
- https://sourceforge.net/p/optipng/bugs/59/
- https://security-tracker.debian.org/tracker/CVE-2016-2191
CWEs
CWE-119
Verify integrity in audit chain (admin only). AS-IS.