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CVE-2015-5334

Published: Jan 23, 2020Updated: Nov 21, 2024 Sources: CVE List NVDCWE-787
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
3.5%
Top 12.4%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-787

Affected Products

LibreSSLLibreSSL
Library
OSS Libraries / generic-library
libresslopenbsd
On-prem
Operating Systems / unix-bsd
opensuseopensuse
On-premOS
Operating Systems / linux-distro
libressloss-projectOSS Librariesaka libressl
openbsdoss-projectCAOperating Systemsaka openbsd
opensuseoss-projectDEOperating Systemsaka opensuse

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

http://packetstormsecurity.com/files/133998/Qualys-Security-Advisory-LibreSSL-Leak-Overflow.html
packetstormsecurity.com
http://seclists.org/fulldisclosure/2015/Oct/75
seclists.org
http://www.securityfocus.com/archive/1/archive/1/536692/100/0/threaded
securityfocus.com
and 2 more references View all →

Timeline

Published
Jan 23, 2020
Last Updated
Nov 21, 2024

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