Vulnerability Details : CVE-2016-1526
The TtfUtil:LocaLookup function in TtfUtil.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.6.1, incorrectly validates a size value, which allows remote attackers to obtain sensitive information or cause a denial of service (out-of-bounds read and application crash) via a crafted Graphite smart font.
Vulnerability category: Denial of service
Products affected by CVE-2016-1526
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:38.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
- cpe:2.3:a:sil:graphite2:1.2.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-1526
0.76%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-1526
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:P |
8.6
|
4.9
|
NIST | |
|
8.1
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H |
2.8
|
5.2
|
NIST |
CWE ids for CVE-2016-1526
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-1526
-
http://www.debian.org/security/2016/dsa-3479
Debian -- Security Information -- DSA-3479-1 graphite2Third Party Advisory
-
http://www.mozilla.org/security/announce/2016/mfsa2016-14.html
Vulnerabilities in Graphite 2 — MozillaVendor Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00052.html
[security-announce] SUSE-SU-2016:0779-1: important: Security update for
-
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184623.html
[SECURITY] Fedora 22 Update: graphite2-1.3.6-1.fc22Third Party Advisory
-
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
Oracle Linux Bulletin - April 2016
-
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00058.html
[security-announce] openSUSE-SU-2016:0791-1: important: Security update
-
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00088.html
[security-announce] openSUSE-SU-2016:0875-1: important: Security update
-
https://security.gentoo.org/glsa/201701-35
Mozilla SeaMonkey: Multiple vulnerabilities (GLSA 201701-35) — Gentoo security
-
https://security.gentoo.org/glsa/201701-63
Graphite: Multiple vulnerabilities (GLSA 201701-63) — Gentoo security
-
http://www.ubuntu.com/usn/USN-2902-1
USN-2902-1: graphite2 vulnerabilities | Ubuntu security notices
-
http://rhn.redhat.com/errata/RHSA-2016-0594.html
RHSA-2016:0594 - Security Advisory - Red Hat Customer Portal
-
http://blog.talosintel.com/2016/02/vulnerability-spotlight-libgraphite.html
Talos Blog || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence: Vulnerability Spotlight: Libgraphite Font Processing VulnerabilitiesThird Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2016-0695.html
RHSA-2016:0695 - Security Advisory - Red Hat Customer Portal
-
http://www.securityfocus.com/bid/82991
Libgraphite Multiple Security Vulnerabilities
-
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177520.html
[SECURITY] Fedora 23 Update: graphite2-1.3.5-1.fc23Third Party Advisory
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