Description
Due to a bug in packet data buffers management, the PPP printer in tcpdump can enter an infinite loop when reading a crafted DLT_PPP_SERIAL .pcap savefile. This problem does not affect any tcpdump release, but it affected the git master branch from 2023-06-05 to 2024-03-21.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
The Tcpdump Group tcpdump
Default version status: unaffected
0d4083e to < b9811efaffected
References
- https://github.com/the-tcpdump-group/tcpdump/commit/b9811ef5bb1b7d45a90e042f81f3aaf233c8bcb2 ↗
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GEZRGR3QCW2ZNFIAWMZZOG4ZLFLFNG2M/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HUUI2MBVHFENXNBCHDQZP2RBBA2VD5HG/ ↗
- https://lists.freebsd.org/archives/freebsd-security/2024-September/000298.html ↗