VulnerabilityModified
CVE-2011-1935
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.
CRITICAL 9.8EPSS 3.65%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.65% probability · 89th percentile
- CISA KEV
- Not listed
- Affected
- tcpdump/libpcap
- Source
- secalert@redhat.com
References
- http://article.gmane.org/gmane.network.tcpdump.devel/4968Broken Link, Issue Tracking, Third Party Advisory
- http://thread.gmane.org/gmane.network.tcpdump.devel/5018Broken Link, Issue Tracking, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2011/05/19/11Broken Link, Issue Tracking, Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2014/02/08/5Mailing List, Third Party Advisory
- 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=623868Issue Tracking, Patch, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-1935/Issue Tracking, Third Party Advisory
- http://article.gmane.org/gmane.network.tcpdump.devel/4968Broken Link, Issue Tracking, Third Party Advisory
- http://thread.gmane.org/gmane.network.tcpdump.devel/5018Broken Link, Issue Tracking, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2011/05/19/11Broken Link, Issue Tracking, Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2014/02/08/5Mailing List, Third Party Advisory
- 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=623868Issue Tracking, Patch, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-1935/Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.