CVE-2015-3798

Apple Mac OSX Regex Engine (TRE) - Integer Signedness / Overflow

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The TRE library in Libc in Apple iOS before 8.4.1 and OS X before 10.10.5 allows context-dependent attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted regular expression, a different vulnerability than CVE-2015-3796 and CVE-2015-3797.

Vulnerabilidad en la librería TRE en Libc en Apple iOS en versiones anteriores a 8.4.1 y OS X en versiones anteriores a 10.10.5, permite a atacantes dependientes del contexto ejecutar código arbitrario o causar una denegación de servicio (corrupción de memoria y caída de la aplicación) a través de una expresión regular manipulada, una vulnerabilidad diferente a CVE-2015-3796 y CVE-2015-3797.

OS X Regex Engine (TRE) suffers from integer signedness and overflow issues.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2015-05-07 CVE Reserved
2015-08-16 CVE Published
2024-08-06 CVE Updated
2024-08-06 First Exploit
2024-12-20 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

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

CAPEC

References (8)

URL	Tag	Source
http://www.securityfocus.com/bid/76343	Vdb Entry
http://www.securitytracker.com/id/1033275	Vdb Entry
https://code.google.com/p/google-security-research/issues/detail?id=429	X_refsource_misc

URL	Date	SRC
https://www.exploit-db.com/exploits/38262	2024-08-06

URL	Date	SRC

URL	Date	SRC
http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html	2016-12-24
http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html	2016-12-24
https://support.apple.com/kb/HT205030	2016-12-24
https://support.apple.com/kb/HT205031	2016-12-24

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				<= 8.4 Search vendor "Apple" for product "Iphone Os" and version " <= 8.4"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				<= 10.10.4 Search vendor "Apple" for product "Mac Os X" and version " <= 10.10.4"		-		Affected