HAProxy is prone to an overflow condition. The send_syslog() function fails to properly sanitize user-supplied input resulting in an overflow. This may allow a local attacker to cause a denial of service.
Classification
Location:
Local Access Required
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Solution:
Upgrade
Exploit:
Exploit Unknown
Disclosure:
Vendor Verified
OSVDB:
Authentication Required,
Web Related
Solution
Upgrade to version 1.1.9 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.