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CVE-2011-1143

28
FAUCET Score

CVE-2011-1143 describes a denial-of-service vulnerability in Wireshark versions prior to 1.4.4. A remote attacker can exploit a NULL pointer dereference within the NTLMSSP dissector by providing a specially crafted .pcap file, causing the application to crash. The vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial availability impact. While not actively exploited in the wild, exploit code for this vulnerability is publicly available, though it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.4.3CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
0.99.2CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:0.99.2:*:*:*:*:*:*:*
0.99.3CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:0.99.3:*:*:*:*:*:*:*
0.99.4CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:0.99.4:*:*:*:*:*:*:*
0.99.5CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:0.99.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.59%
Probability of exploitation in next 30 days
EPSS Percentile
94.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-35432 · Mar 1, 2011
This CVE's current EPSS score of 0.0859 is in the 94th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: wireshark-0:1.0.15-2.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: wireshark-0:1.0.15-1.el5_6.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: wireshark-0:1.2.15-2.el6_2.1
View patch

Vendor Advisories (1)

redhatCVE-2011-1143Low

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

Mar 1, 2011

References

anonsvn.wireshark.org / viewvc
Patch
lists.fedoraproject.org / pipermail/package-announce/2011-March/055364.html
lists.fedoraproject.org / pipermail/package-announce/2011-March/055650.html
lists.fedoraproject.org / pipermail/package-announce/2011-March/055664.html
bugs.wireshark.org / bugzilla/show_bug.cgi
secunia.com / advisories/43759
secunia.com / advisories/43821
secunia.com / advisories/44169
secunia.com / advisories/48947
hermes.opensuse.org / messages/8086844
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16209
kb.cert.org / vuls/id/215900
US Government Resource
redhat.com / support/errata/RHSA-2011-0370.html
securityfocus.com / bid/46796
securitytracker.com / id
vupen.com / english/advisories/2011/0626
vupen.com / english/advisories/2011/0719
wireshark.org / docs/relnotes/wireshark-1.4.4.html
Patch