October 14, 2002
The Linux-HA heartbeat utility is vulnerable to a remotely exploitable buffer overflow condition. Attackers may exploit the vulnerability to execute arbitrary code. It has been reported that the condition is related to the handling of TCP packets.
- Linux-HA heartbeat 0.4.9 .1
- Linux-HA heartbeat 0.4.9
- Linux-HA heartbeat 0.4.9 a
- Linux-HA heartbeat 0.4.9 b
- Linux-HA heartbeat 0.4.9 c
- Linux-HA heartbeat 0.9.4 d
Block external access at the network boundary, unless external parties require service.
Access to interfaces/ports used by heartbeat should be blocked.
The vulnerability is eliminated in versions 0.4.9.2 and 0.4.9e. Debian has released patches. Conectiva has released patches.
Discovered by Nathan Wallwork.
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