CVE-2015-5334

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Off-by-one error in the OBJ_obj2txt function in LibreSSL before 2.3.1 allows remote attackers to cause a denial of service (program crash) or possible execute arbitrary code via a crafted X.509 certificate, which triggers a stack-based buffer overflow. Note: this vulnerability exists because of an incorrect fix for CVE-2014-3508.

Un error por un paso en la función OBJ_obj2txt en LibreSSL versiones anteriores a 2.3.1, permite a atacantes remotos causar una denegación de servicio (bloqueo del programa) o posible ejecutar código arbitrario por medio de un certificado X.509 diseñado, que desencadena un desbordamiento de búfer en la región stack de la memoria. Nota: esta vulnerabilidad se presenta debido a una corrección incorrecta para CVE-2014-3508.

*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

2015-07-01 CVE Reserved
2015-10-18 CVE Published
2023-03-26 EPSS Updated
2024-08-06 CVE Updated
2024-08-06 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (5)

URL	Tag	Source
http://lists.opensuse.org/opensuse-updates/2015-10/msg00050.html	Mailing List
http://www.securityfocus.com/archive/1/archive/1/536692/100/0/threaded	Broken Link

URL	Date	SRC
http://packetstormsecurity.com/files/133998/Qualys-Security-Advisory-LibreSSL-Leak-Overflow.html	2024-08-06
http://seclists.org/fulldisclosure/2015/Oct/75	2024-08-06

URL	Date	SRC

URL	Date	SRC
http://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.3.1-relnotes.txt	2020-01-30

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Openbsd Search vendor "Openbsd"		Libressl Search vendor "Openbsd" for product "Libressl"				< 2.3.1 Search vendor "Openbsd" for product "Libressl" and version " < 2.3.1"		-		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