Home/CVE/The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denia
CVE

CVE-2016-4447

The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denia

The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.

HIGH · CVSS 7.5 EPSS 0.02658
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules7 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

12
hp icewall federation agentall versions
canonical ubuntu linuxall versions
debian linuxall versions
oracle vm serverall versions
apple itunesall versions
apple iphone os<= 9.3.2
apple mac os x<= 10.11.5
apple tvos<= 9.2.1
⚠

Public Exploits & PoCs

1
pocwww.slackware.com · viewer.php?l=slackware-security&y=2016&m=slackware-securi...www.slackware.com
◈

Sigma Hunt Rules

7
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.
productcriticalHackTool - Windows Credential Editor (WCE) Execution
productcriticalWindows Credential Editor Registry
producthighOpenCanary - MSSQL Login Attempt Via Windows Authentication
producthighWindows LAPS Credential Dump From Entra ID
producthighTamper Windows Defender - PSClassic
producthighTamper Windows Defender Remove-MpPreference - ScriptBlockLogging
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · secalert@redhat.com
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 NVD09 Jun 2016 · 04:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

7
suse-csafSUSE-SU-2017:2699-1
suse-csafSUSE-SU-2017:2700-1
rhsaRHSA-2016:2957Low
suse-csafSUSE-SU-2016:1604-1
suse-csafSUSE-SU-2016:1538-1
🔗

References & Sources

25
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.htmlMailing ListThird Party Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.htmlMailing ListThird Party Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.htmlMailing ListThird Party Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.htmlMailing ListNot Applicable
http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.htmlMailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.htmlThird Party Advisory
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