PT-2017-4931 · Tcpdump+1 · Libpcap+1

Robert Edmonds · Published 2017-10-20 · Updated 2021-06-15 · CVE-2011-1935

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: libpcap version 1.1.1

Description: The issue is related to the pcap-linux.c file in libpcap, where setting the snaplen may cause packet truncation. This could potentially allow remote attackers to send arbitrary data without being detected by crafting specific packets.

Recommendations: For libpcap version 1.1.1, update to a version that includes the commit ea9432fabdf4b33cbc76d9437200e028f1c47c93 to resolve the issue.

Fix

Related Identifiers

ALT-PU-2019-1320

CVE-2011-1935

Affected Products

Alt Linux

Libpcap

References · 14

• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=623868 · Patch
• https://errata.altlinux.org/ALT-PU-2019-1320 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2011-1935 · Vendor Advisory
• http://thread.gmane.org/gmane.network.tcpdump.devel/5018 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2011-1935 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2011-1935 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2011-1935 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1935 · Security Note
• http://openwall.com/lists/oss-security/2011/05/19/11 · Patch
• 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 · Note
• https://packages.altlinux.org/ru/vuln/CVE-2011-1935 · Note
• https://t.me/cvenotify/16356 · Telegram Post
• http://openwall.com/lists/oss-security/2014/02/08/5 · Note
• http://article.gmane.org/gmane.network.tcpdump.devel/4968 · Note