SB2015082417 - Input validation error in Debian Linux

Description

This security bulletin contains information about 1 security vulnerability.

1) Input validation error (CVE-ID: CVE-2015-6525)

The vulnerability allows context-dependent attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service or possibly have other unspecified impact via "insanely large inputs" to the (1) evbuffer_add, (2) evbuffer_prepend, (3) evbuffer_expand, (4) exbuffer_reserve_space, or (5) evbuffer_read function, which triggers a heap-based buffer overflow or an infinite loop.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• http://archives.seul.org/libevent/users/Jan-2015/msg00010.html
• http://www.debian.org/security/2015/dsa-3119