CVE-2014-7923

ICU: regexp engine missing look-behind expression range check

Severity Score

7.5

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The Regular Expressions package in International Components for Unicode (ICU) 52 before SVN revision 292944, as used in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via vectors related to a look-behind expression.

El paquete Regular Expressions en International Components for Unicode (ICU) 52 anterior a la versión SVN 292944, como es usada en Google Chrome anterior a la versión 40.0.2214.91, permite a los atacantes remotos generar una Denegación de Servicio (corrupción de la memoria) o posiblemente tener otros impactos no especificados por medio de vectores relacionados con una expresión look-behind.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2014-10-06 CVE Reserved
2015-01-22 CVE Published
2024-08-06 CVE Updated
2024-09-03 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-17: DEPRECATED: Code
CWE-122: Heap-based Buffer Overflow

CAPEC

References (22)

URL	Tag	Source
http://advisories.mageia.org/MGASA-2015-0047.html	X_refsource_confirm
http://bugs.icu-project.org/trac/ticket/11370	X_refsource_confirm
http://googlechromereleases.blogspot.com/2015/01/stable-update.html	X_refsource_confirm
http://secunia.com/advisories/62383	Third Party Advisory
http://secunia.com/advisories/62575	Third Party Advisory
http://secunia.com/advisories/62665	Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html	X_refsource_confirm
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html	X_refsource_confirm
http://www.securityfocus.com/bid/72288	Vdb Entry
http://www.securitytracker.com/id/1031623	Vdb Entry
https://chromium.googlesource.com/chromium/deps/icu52/+/3af4ce5982311035e5f36803d547c0befa576c8c	X_refsource_confirm
https://chromium.googlesource.com/chromium/deps/icu52/+/6242e2fbb36f486f2c0addd1c3cef67fc4ed33fb	X_refsource_confirm
https://code.google.com/p/chromium/issues/detail?id=430353	X_refsource_confirm
https://codereview.chromium.org/726973003	X_refsource_confirm
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html	X_refsource_misc

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00005.html	2023-11-07
http://rhn.redhat.com/errata/RHSA-2015-0093.html	2023-11-07
http://security.gentoo.org/glsa/glsa-201502-13.xml	2023-11-07
http://www.ubuntu.com/usn/USN-2476-1	2023-11-07
https://security.gentoo.org/glsa/201503-06	2023-11-07
https://access.redhat.com/security/cve/CVE-2014-7923	2015-01-27
https://bugzilla.redhat.com/show_bug.cgi?id=1185202	2015-01-27

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Supplementary Search vendor "Redhat" for product "Enterprise Linux Desktop Supplementary"				6.0 Search vendor "Redhat" for product "Enterprise Linux Desktop Supplementary" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Supplementary Search vendor "Redhat" for product "Enterprise Linux Server Supplementary"				6.0 Search vendor "Redhat" for product "Enterprise Linux Server Supplementary" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Supplementary Eus Search vendor "Redhat" for product "Enterprise Linux Server Supplementary Eus"				6.6.z Search vendor "Redhat" for product "Enterprise Linux Server Supplementary Eus" and version "6.6.z"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Supplementary Search vendor "Redhat" for product "Enterprise Linux Workstation Supplementary"				6.0 Search vendor "Redhat" for product "Enterprise Linux Workstation Supplementary" and version "6.0"		-		Affected
Opensuse Search vendor "Opensuse"		Opensuse Search vendor "Opensuse" for product "Opensuse"				13.1 Search vendor "Opensuse" for product "Opensuse" and version "13.1"		-		Affected
Opensuse Search vendor "Opensuse"		Opensuse Search vendor "Opensuse" for product "Opensuse"				13.2 Search vendor "Opensuse" for product "Opensuse" and version "13.2"		-		Affected
Icu-project Search vendor "Icu-project"		International Components For Unicode Search vendor "Icu-project" for product "International Components For Unicode"				< 55.1 Search vendor "Icu-project" for product "International Components For Unicode" and version " < 55.1"		c\/c\+\+		Affected
Oracle Search vendor "Oracle"		Communications Messaging Server Search vendor "Oracle" for product "Communications Messaging Server"				7.0.5 Search vendor "Oracle" for product "Communications Messaging Server" and version "7.0.5"		-		Affected
Oracle Search vendor "Oracle"		Communications Messaging Server Search vendor "Oracle" for product "Communications Messaging Server"				8.0 Search vendor "Oracle" for product "Communications Messaging Server" and version "8.0"		-		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"				14.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.10"		-		Affected
Google Search vendor "Google"		Chrome Search vendor "Google" for product "Chrome"				<= 40.0.2214.85 Search vendor "Google" for product "Chrome" and version " <= 40.0.2214.85"		-		Affected