Vulnerability Report

CVE-2011-1935

Title: Tcpdump Libpcap

Other

Proof Of Concept

No public PoC currently indexed for CVE-2011-1935.

CWE Category NVD-CWE-noinfo

Published Date Oct 20, 2017

Modified Date May 13, 2026

Exploit Status Not Found

Score 9.8 CVSS v3.1

Exploit Probability (EPSS)

3.65%

Vulnerability Summary

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.

Impacted Vendors

tcpdump 1

Reference Links

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/ 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/

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns