tcpdump.org tcpdump 4.9.2 is affected by: CWE-126: Buffer Over-read. The impact is: May expose Saved Frame Pointer, Return Address etc. on stack. The component is: line 234: ND_PRINT((ndo, %s, buf));, in function named print_prefix, in print-hncp.c. The attack vector is: The victim must open a specially crafted pcap file.
Weakness
The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Tcpdump | Tcpdump | 4.9.2 (including) | 4.9.2 (including) |
| Tcpdump | Ubuntu | bionic | * |
| Tcpdump | Ubuntu | disco | * |
| Tcpdump | Ubuntu | esm-infra-legacy/trusty | * |
| Tcpdump | Ubuntu | esm-infra/bionic | * |
| Tcpdump | Ubuntu | esm-infra/xenial | * |
| Tcpdump | Ubuntu | trusty | * |
| Tcpdump | Ubuntu | trusty/esm | * |
| Tcpdump | Ubuntu | upstream | * |
| Tcpdump | Ubuntu | xenial | * |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00065.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html
- https://github.com/the-tcpdump-group/tcpdump/blob/master/print-hncp.c
- https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9.2/print-hncp.c
- https://github.com/the-tcpdump-group/tcpdump/commits/master/print-hncp.c
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/
- https://usn.ubuntu.com/4252-1/
- https://usn.ubuntu.com/4252-2/
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00065.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html
- https://github.com/the-tcpdump-group/tcpdump/blob/master/print-hncp.c
- https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9.2/print-hncp.c
- https://github.com/the-tcpdump-group/tcpdump/commits/master/print-hncp.c
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/
- https://usn.ubuntu.com/4252-1/
- https://usn.ubuntu.com/4252-2/