wireshark: DoS (infinite loop) in the SCTP dissector (wnpa-sec-2012-33)
Published Dec 5, 2012
5.0
MEDIUMCVSS 2.0
EPSS 2.66%
Description
Integer overflow in the dissect_sack_chunk function in epan/dissectors/packet-sctp.c in the SCTP dissector in Wireshark 1.8.x before 1.8.4 allows remote attackers to cause a denial of service (infinite loop) via a crafted Duplicate TSN count.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
wireshark-0:1.0.15-6.el5_10
Fixed · RHSA-2014:0341
Red Hat Enterprise Linux 6
wireshark-0:1.8.10-4.el6
Fixed · RHSA-2013:1569
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | wireshark-0:1.0.15-6.el5_10 | Fixed | RHSA-2014:0341 |
| Red Hat Enterprise Linux 6 | wireshark-0:1.8.10-4.el6 | Fixed | RHSA-2013:1569 |
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:L/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 1, 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 1, 2026 | 2.66% (0.02662) | 85.18th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.61% (0.02612) | 83.35th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.69% (0.00693) | 69.54th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.73% (0.01732) | 71.10th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.69% (0.00693) | 70.17th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.40% (0.00403) | 74.52th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.40% (0.00403) | 72.99th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.40% (0.00403) | 69.57th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
References (12)
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-sctp.c?r1=45355&r2=45354&pathrev=45355 x_refsource_CONFIRMPatch
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=45355 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-updates/2012-12/msg00022.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00042.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2014-0341.html vendor-advisoryx_refsource_REDHAT
- http://www.wireshark.org/security/wnpa-sec-2012-33.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2012-6056 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7802 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=881809 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2012-6056
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16139 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2012-6056
Change history (0)
No recorded changes yet.