Buffer overflow in OpenSSL - CVE-2009-1377

 

Buffer overflow in OpenSSL - CVE-2009-1377

Published: May 19, 2009 / Updated: August 3, 2020


Vulnerability identifier: #VU33337
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2009-1377
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The dtls1_buffer_record function in ssl/d1_pkt.c in OpenSSL 0.9.8k and earlier 0.9.8 versions allows remote attackers to cause a denial of service (memory consumption) via a large series of "future epoch" DTLS records that are buffered in a queue, aka "DTLS record buffer limitation bug."


Affected software

OpenSSL
openssl (Alpine package)

How to mitigate CVE-2009-1377

Install update from vendor's website.

OpenSSL - update to 0.9.8l
openssl (Alpine package) - addressed in versions 0.9.8m-r0, 0.9.8l-r1

External References

Related Security Bulletins