Home/CVE/The directrun function in directmachine.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 a
CVE

CVE-2016-1521

The directrun function in directmachine.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 a

The directrun function in directmachine.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, does not validate a certain skip operation, which allows remote attackers to execute arbitrary code, obtain sensitive information, or cause a denial of service (out-of-bounds read and application crash) via a crafted Graphite smart font.

HIGH · CVSS 8.8 EPSS 0.00846
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

6
debian linuxall versions
sil graphite2<= 1.2.4
mozilla firefox<= 42.0
mozilla firefoxall versions
mozilla thunderbird<= 38.5.1
fedoraproject fedoraall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSQLite Firefox Profile Data DB Access
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.0 · cret@cert.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Feb 2016 · 02:59 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

6
suse-csafopenSUSE-SU-2024:10242-1
suse-csafSUSE-SU-2016:0779-1
rhsaRHSA-2016:0197Moderate
usnUSN-2902-1
rhsaRHSA-2016:0594Important
🔗

References & Sources

18
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://blog.talosintel.com/2016/02/vulnerability-spotlight-libgraphite.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177520.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184623.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00052.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00058.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00088.html
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