CVE-2015-1803
HIGH severity · CVSS 8.5
8.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)5%
AV:N/AC:M/Au:S/C:C/I:C/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- 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