CVE-2015-1803
high
CVSS v3
—
CVSS v2
8.5
VIR risk
8.5
Description
The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly handle character bitmaps it cannot read, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) and possibly execute arbitrary code via a crafted BDF font file.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-1803
Vendor advisory: secalert@redhat.com — http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 1:1.5.1-1 |
| debian | bullseye | fixed | 1:1.5.1-1 |
| debian | forky | fixed | 1:1.5.1-1 |
| debian | sid | fixed | 1:1.5.1-1 |
| debian | trixie | fixed | 1:1.5.1-1 |
| debian | 7.0 | affected | |
| ubuntu | 10.04 | affected | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 14.10 | affected | |
References
- http://advisories.mageia.org/MGASA-2015-0113.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152497.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152838.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00032.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00005.html
- http://rhn.redhat.com/errata/RHSA-2015-1708.html
- http://www.debian.org/security/2015/dsa-3194
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:145
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.securityfocus.com/bid/73280
- http://www.securitytracker.com/id/1031935
- http://www.ubuntu.com/usn/USN-2536-1
- http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/
- https://security.gentoo.org/glsa/201507-21
- https://security-tracker.debian.org/tracker/CVE-2015-1803
Verify integrity in audit chain (admin only). AS-IS.