CVE-2011-1935
Published: October 20, 2017Last modified: November 9, 2023
Description
pcap-linux.c in libpcap 1.1.1 before commit ea9432fabdf4b33cbc76d9437200e028f1c47c93 when snaplen is set may truncate packets, which might allow remote attackers to send arbitrary data while avoiding detection via crafted packets.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | libpcap | Not affected (1.10.1-r0) |
| Stream | libpcap | Not affected (1.10.4-r1) |
References
- http://article.gmane.org/gmane.network.tcpdump.devel/4968
- http://thread.gmane.org/gmane.network.tcpdump.devel/5018
- http://www.openwall.com/lists/oss-security/2011/05/19/11
- http://www.openwall.com/lists/oss-security/2014/02/08/5
- https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1%3Bbug=623868%3Bfilename=0001-Fix-the-calculation-of-the-frame-size-in-memory-mapp.patch%3Bmsg=10
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=623868
- https://security-tracker.debian.org/tracker/CVE-2011-1935/