Wireshark: Malformed LDAP filter string causes Denial of Service via excessive memory consumption
Published Mar 3, 2011
4.3
MEDIUMCVSS 2.0
EPSS 3.53%
Description
epan/dissectors/packet-ldap.c in Wireshark 1.0.x, 1.2.0 through 1.2.14, and 1.4.0 through 1.4.3 allows remote attackers to cause a denial of service (memory consumption) via (1) a long LDAP filter string or (2) an LDAP filter string containing many elements.
Affected products
No data.
Configuration 1
- 1.0
- 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
Configuration 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
- 1.4.0
- 1.4.1
- 1.4.2
- 1.4.3
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-0:1.2.15-1.el6_0.1
Fixed · RHSA-2011:0369
| 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-0:1.2.15-1.el6_0.1 | Fixed | RHSA-2011:0369 |
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.
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.53% (0.03533) | 88.89th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.53% (0.03533) | 87.72th | v5 (v2026.06.15) |
| May 6, 2025 | 1.22% (0.01220) | 77.94th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.00% (0.03005) | 85.38th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.42% (0.06425) | 84.63th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.65% (0.02652) | 84.77th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.97% (0.00972) | 84.04th | v3 (v2023.03.01) |
| Apr 2, 2024 | 0.97% (0.00972) | 83.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.97% (0.00972) | 81.03th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.36% (0.04358) | 88.02th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.36% (0.04358) | 86.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.36% (0.04358) | 70.59th | v2 (v2022.01.01) |
References (25)
- http://anonsvn.wireshark.org/viewvc?view=rev&revision=36101 x_refsource_CONFIRMPatch
- 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/43795 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/43821 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2011/dsa-2201 vendor-advisoryx_refsource_DEBIAN
- http://www.kb.cert.org/vuls/id/215900 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:044 vendor-advisoryx_refsource_MANDRIVA
- http://www.redhat.com/support/errata/RHSA-2011-0369.html vendor-advisoryx_refsource_REDHAT
- http://www.redhat.com/support/errata/RHSA-2011-0370.html vendor-advisoryx_refsource_REDHAT
- http://www.securitytracker.com/id?1025148 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2011/0622 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2011/0719 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2011/0747 vdb-entryx_refsource_VUPEN
- http://www.wireshark.org/docs/relnotes/wireshark-1.2.15.html x_refsource_CONFIRMPatch
- http://www.wireshark.org/docs/relnotes/wireshark-1.4.4.html x_refsource_CONFIRMPatch
- http://www.wireshark.org/security/wnpa-sec-2011-03.html x_refsource_CONFIRMVendor Advisory
- http://www.wireshark.org/security/wnpa-sec-2011-04.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2011-1141 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5732 x_refsource_CONFIRMExploit
- https://bugzilla.redhat.com/show_bug.cgi?id=681756 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-1141
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14974 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2011-1141
Change history (0)
No recorded changes yet.