Vtun 2.5b1 allows remote attackers to inject data into user sessions by sniffing and replaying packets.

Description

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

References

• 20020109 Security weaknesses of VTun mailing-list
• vpn-replay-attack(7870) vdb-entry