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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2023-6780 Detail

Description

An integer overflow was found in the __vsyslog_internal function of the glibc library. This function is called by the syslog and vsyslog functions. This issue occurs when these functions are called with a very long message, leading to an incorrect calculation of the buffer size to store the message, resulting in undefined behavior. This issue affects glibc 2.37 and newer.


Metrics

 
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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html Exploit  Third Party Advisory  VDB Entry 
http://seclists.org/fulldisclosure/2024/Feb/3 Exploit  Mailing List  Third Party Advisory 
https://access.redhat.com/security/cve/CVE-2023-6780 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=2254396 Issue Tracking 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D2FIH77VHY3KCRROCXOT6L27WMZXSJ2G/ Mailing List 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MWQ6BZJ6CV5UAW4VZSKJ6TO4KIW2KWAQ/ Mailing List 
https://security.gentoo.org/glsa/202402-01 Third Party Advisory 
https://www.openwall.com/lists/oss-security/2024/01/30/6 Exploit  Mailing List 
https://www.qualys.com/2024/01/30/cve-2023-6246/syslog.txt Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-131 Incorrect Calculation of Buffer Size cwe source acceptance level NIST   Red Hat, Inc.  
CWE-190 Integer Overflow or Wraparound cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

13 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2023-6780
NVD Published Date:
01/31/2024
NVD Last Modified:
03/26/2024
Source:
Red Hat, Inc.