MEDIUM
Wireshark: Null pointer dereference causing application crash when reading malformed pcap file
Published Mar 3, 2011
4.3
MEDIUMCVSS 2.0
EPSS 8.59%
Description
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.
Affected products
No data.
OR
- ≤ 1.4.3
- 0.99.2
- 0.99.3
- 0.99.4
- 0.99.5
- 0.99.6
- 0.99.7
- 0.99.8
- 1.0.0
- 1.0.1
- 1.0.2
- 1.0.3
- 1.0.4
- 1.0.5
- 1.0.6
- 1.0.7
- 1.0.8
- 1.0.9
- 1.0.10
- 1.0.11
- 1.0.12
- 1.0.13
- 1.0.14
- 1.0.15
- 1.0.16
- 1.2
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.3
- 1.2.4
- 1.2.5
- 1.2.6
- 1.2.7
- 1.2.8
- 1.2.9
- 1.2.10
- 1.2.11
- 1.2.12
- 1.2.13
- 1.2.14
- 1.2.15
- 1.4.0
- 1.4.1
- 1.4.2
No data.
Red Hat Enterprise Linux 4
wireshark-0:1.0.15-2.el4
Fixed · RHSA-2011:0370
Red Hat Enterprise Linux 5
wireshark-0:1.0.15-1.el5_6.4
Fixed · RHSA-2011:0370
Red Hat Enterprise Linux 6
wireshark-0:1.2.15-2.el6_2.1
Fixed · RHSA-2012:0509
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | wireshark-0:1.0.15-2.el4 | Fixed | RHSA-2011:0370 |
| Red Hat Enterprise Linux 5 | wireshark-0:1.0.15-1.el5_6.4 | Fixed | RHSA-2011:0370 |
| Red Hat Enterprise Linux 6 | wireshark-0:1.2.15-2.el6_2.1 | Fixed | RHSA-2012:0509 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
8.59% 0.08590
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.08590
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 8.59% (0.08590) | 94.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.59% (0.08590) | 94.37th | v5 (v2026.06.15) |
| May 15, 2025 | 12.41% (0.12414) | 93.50th | v4 (v2025.03.14) |
| Apr 7, 2025 | 13.42% (0.13424) | 93.60th | v4 (v2025.03.14) |
| Mar 30, 2025 | 14.61% (0.14605) | 93.89th | v4 (v2025.03.14) |
| Mar 29, 2025 | 17.50% (0.17500) | 91.86th | v4 (v2025.03.14) |
| Mar 19, 2025 | 14.61% (0.14605) | 93.66th | v4 (v2025.03.14) |
| Mar 17, 2025 | 11.30% (0.11301) | 93.00th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.88% (0.00875) | 83.15th | v3 (v2023.03.01) |
| Feb 24, 2024 | 0.88% (0.00875) | 81.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.88% (0.00875) | 79.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.57% (0.12567) | 95.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.57% (0.12567) | 95.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.57% (0.12567) | 90.03th | v2 (v2022.01.01) |
Weaknesses (1)
References (22)
- http://anonsvn.wireshark.org/viewvc?view=rev&revision=34018 x_refsource_CONFIRMPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055364.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055650.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055664.html vendor-advisoryx_refsource_FEDORA
- http://secunia.com/advisories/43759 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/43821 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/44169 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/48947 third-party-advisoryx_refsource_SECUNIA
- http://www.kb.cert.org/vuls/id/215900 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.redhat.com/support/errata/RHSA-2011-0370.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/46796 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1025148 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2011/0626 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2011/0719 vdb-entryx_refsource_VUPEN
- http://www.wireshark.org/docs/relnotes/wireshark-1.4.4.html x_refsource_CONFIRMPatch
- https://access.redhat.com/security/cve/CVE-2011-1143 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5157 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=681760 Issue Tracking
- https://hermes.opensuse.org/messages/8086844 vendor-advisoryx_refsource_SUSE
- https://nvd.nist.gov/vuln/detail/CVE-2011-1143
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16209 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2011-1143
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 3, 2011
Updated Aug 6, 2024
Reserved Mar 2, 2011
Link CVE-2011-1143
CISA Vulnrichment
Updated n/a