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Fencer Intel
medium 4.3

CVE-2011-1143 json

epan/dissectors/packet-ntlmssp.c in the NTLMSSP dissector in Wireshark before 1.4.4 allows remote attackers to cause a denial of service (N…

published 2011-03-03 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1157

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.6%
EPSS 8.6% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

epan/dissectors/packet-ntlmssp.c in the NTLMSSP dissector in Wireshark before 1.4.4 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted .pcap file.

Patch / fix

  • wireshark Debian 14, Debian 13, Debian 12 1.4.4-1

debian advisories DEBIAN-CVE-2011-1143

  • wireshark RHEL 6 1.2.15-2.el6_2.1
  • wireshark-gnome RHEL 6 1.2.15-2.el6_2.1
  • wireshark RHEL 4 1.0.15-2.el4
  • wireshark RHEL 5 1.0.15-1.el5_6.4
  • wireshark-gnome RHEL 4 1.0.15-2.el4
  • wireshark-gnome RHEL 5 1.0.15-1.el5_6.4

red hat advisories RHSA-2012:0509RHSA-2011:0370

  • wireshark openSUSE Tumbleweed 2.2.2-1.1

opensuse advisories openSUSE-SU-2024:10199-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-1143 updated cvss 1.9

Wireshark: Null pointer dereference causing application crash when reading malformed pcap file

  • Red Hat Enterprise Linux (v. 5.6.z server) wireshark 1.0.15-1.el5_6.4, wireshark-gnome 1.0.15-1.el5_6.4 Red Hat Enterprise Linux AS version 4 wireshark 1.0.15-2.el4, wireshark-gnome 1.0.15-2.el4
    fixed: vendor fix RHSA-2011:0370
  • Red Hat Enterprise Linux Desktop (v. 6) wireshark 1.2.15-2.el6_2.1, wireshark-gnome 1.2.15-2.el6_2.1 Red Hat Enterprise Linux Desktop Optional (v. 6) wireshark 1.2.15-2.el6_2.1, wireshark-gnome 1.2.15-2.el6_2.1
    fixed: vendor fix RHSA-2012:0509
  • Red Hat Enterprise Linux Desktop version 4 wireshark 1.0.15-2.el4, wireshark-gnome 1.0.15-2.el4 Red Hat Enterprise Linux ES version 4 wireshark 1.0.15-2.el4, wireshark-gnome 1.0.15-2.el4
    fixed: vendor fix RHSA-2011:0370
  • Red Hat Enterprise Linux Server (v. 6) wireshark 1.2.15-2.el6_2.1, wireshark-gnome 1.2.15-2.el6_2.1 Red Hat Enterprise Linux Server Optional (v. 6) wireshark 1.2.15-2.el6_2.1, wireshark-gnome 1.2.15-2.el6_2.1 Red Hat Enterprise Linux Workstation (v. 6) wireshark 1.2.15-2.el6_2.1, wireshark-gnome 1.2.15-2.el6_2.1 Red Hat Enterprise Linux Workstation Optional (v. 6) wireshark 1.2.15-2.el6_2.1, wireshark-gnome 1.2.15-2.el6_2.1
    fixed: vendor fix RHSA-2012:0509
  • Red Hat Enterprise Linux WS version 4 wireshark 1.0.15-2.el4, wireshark-gnome 1.0.15-2.el4
    fixed: vendor fix RHSA-2011:0370

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-35432)
  2. Published

Exploit prediction

8.59% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-35432 Wireshark 1.4.3 - NTLMSSP Null Pointer Dereference Denial of Service dos, 2011-03-01

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.