// For flags

CVE-2016-4447

libxml2: Heap-based buffer underreads due to xmlParseName

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

La función xmlParseElementDecl en parser.c en libxml2 en versiones anteriores a 2.9.4 permite a atacantes dependientes del contexto provocar una denegación de servicio (underread basado en memoria dinámica y caída de aplicación) a través de un archivo manipulado, con la participación de xmlParseName.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2016-05-02 CVE Reserved
  • 2016-05-27 CVE Published
  • 2024-04-01 EPSS Updated
  • 2024-08-06 CVE Updated
  • 2024-08-06 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-122: Heap-based Buffer Overflow
CAPEC
References (29)
URL Tag Source
http://www.openwall.com/lists/oss-security/2016/05/25/2 Mailing List
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Third Party Advisory
http://www.securityfocus.com/bid/90864 Third Party Advisory
http://www.securitytracker.com/id/1036348 Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05194709 Third Party Advisory
https://support.apple.com/HT206899 Third Party Advisory
https://support.apple.com/HT206901 Third Party Advisory
https://support.apple.com/HT206902 Third Party Advisory
https://support.apple.com/HT206903 Third Party Advisory
https://support.apple.com/HT206904 Third Party Advisory
https://support.apple.com/HT206905 Third Party Advisory
https://www.tenable.com/security/tns-2016-18 Third Party Advisory
URL Date SRC
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.404722 2024-08-06
URL Date SRC
https://git.gnome.org/browse/libxml2/commit/?id=00906759053986b8079985644172085f74331f83 2023-02-12
https://kc.mcafee.com/corporate/index?page=content&id=SB10170 2023-02-12
URL Date SRC
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html 2023-02-12
http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html 2023-02-12
http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html 2023-02-12
http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html 2023-02-12
http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html 2023-02-12
http://rhn.redhat.com/errata/RHSA-2016-2957.html 2023-02-12
http://www.ubuntu.com/usn/USN-2994-1 2023-02-12
http://xmlsoft.org/news.html 2023-02-12
https://access.redhat.com/errata/RHSA-2016:1292 2023-02-12
https://www.debian.org/security/2016/dsa-3593 2023-02-12
https://access.redhat.com/security/cve/CVE-2016-4447 2016-12-15
https://bugzilla.redhat.com/show_bug.cgi?id=1338686 2016-12-15
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apple
Search vendor "Apple"
 Itunes
Search vendor "Apple" for product "Itunes"
 12.4.1
Search vendor "Apple" for product "Itunes" and version "12.4.1"
-
Affected
in Microsoft
Search vendor "Microsoft"
 Windows
Search vendor "Microsoft" for product "Windows"
*-
Safe
Hp
Search vendor "Hp"
 Icewall Federation Agent
Search vendor "Hp" for product "Icewall Federation Agent"
 3.0
Search vendor "Hp" for product "Icewall Federation Agent" and version "3.0"
-
Affected
Canonical
Search vendor "Canonical"
 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 12.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"
lts
Affected
Canonical
Search vendor "Canonical"
 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 14.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"
lts
Affected
Canonical
Search vendor "Canonical"
 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 15.10
Search vendor "Canonical" for product "Ubuntu Linux" and version "15.10"
-
Affected
Canonical
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 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 16.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"
lts
Affected
Debian
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 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 7.0
Search vendor "Debian" for product "Debian Linux" and version "7.0"
-
Affected
Debian
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 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 8.0
Search vendor "Debian" for product "Debian Linux" and version "8.0"
-
Affected
Oracle
Search vendor "Oracle"
 Vm Server
Search vendor "Oracle" for product "Vm Server"
 3.3
Search vendor "Oracle" for product "Vm Server" and version "3.3"
-
Affected
Oracle
Search vendor "Oracle"
 Vm Server
Search vendor "Oracle" for product "Vm Server"
 3.4
Search vendor "Oracle" for product "Vm Server" and version "3.4"
-
Affected
Apple
Search vendor "Apple"
 Iphone Os
Search vendor "Apple" for product "Iphone Os"
 <= 9.3.2
Search vendor "Apple" for product "Iphone Os" and version " <= 9.3.2"
-
Affected
Apple
Search vendor "Apple"
 Mac Os X
Search vendor "Apple" for product "Mac Os X"
 <= 10.11.5
Search vendor "Apple" for product "Mac Os X" and version " <= 10.11.5"
-
Affected
Apple
Search vendor "Apple"
 Tvos
Search vendor "Apple" for product "Tvos"
 <= 9.2.1
Search vendor "Apple" for product "Tvos" and version " <= 9.2.1"
-
Affected
Apple
Search vendor "Apple"
 Watchos
Search vendor "Apple" for product "Watchos"
 <= 2.2.1
Search vendor "Apple" for product "Watchos" and version " <= 2.2.1"
-
Affected
Xmlsoft
Search vendor "Xmlsoft"
 Libxml2
Search vendor "Xmlsoft" for product "Libxml2"
 <= 2.9.3
Search vendor "Xmlsoft" for product "Libxml2" and version " <= 2.9.3"
-
Affected
Mcafee
Search vendor "Mcafee"
 Web Gateway
Search vendor "Mcafee" for product "Web Gateway"
 >= 7.5.0.0 <= 7.5.2.10
Search vendor "Mcafee" for product "Web Gateway" and version " >= 7.5.0.0 <= 7.5.2.10"
-
Affected
Mcafee
Search vendor "Mcafee"
 Web Gateway
Search vendor "Mcafee" for product "Web Gateway"
 >= 7.6.0.0 <= 7.6.2.3
Search vendor "Mcafee" for product "Web Gateway" and version " >= 7.6.0.0 <= 7.6.2.3"
-
Affected