wireshark: Application abort due to wrong variable type in PPP dissector
Published Oct 4, 2012
3.3
LOWCVSS 2.0
EPSS 0.91%
Description
epan/dissectors/packet-ppp.c in the PPP dissector in Wireshark 1.8.x before 1.8.3 uses incorrect OUI data structures during the decoding of (1) PPP and (2) LCP data, which allows remote attackers to cause a denial of service (assertion failure and application exit) via a malformed packet.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
wireshark
Not affected
Red Hat Enterprise Linux 6
wireshark
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 6 | wireshark | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the version of wireshark as shipped with Red Hat Enterprise Linux 5 and 6.
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:A/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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.91% (0.00910) | 58.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.91% (0.00910) | 55.14th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.85% (0.00851) | 73.31th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.19% (0.00186) | 57.20th | v3 (v2023.03.01) |
| May 4, 2024 | 0.19% (0.00186) | 55.54th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.20% (0.00203) | 56.50th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
No CWE recorded.
References (16)
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-ppp.c?r1=42989&r2=42988&pathrev=42989 x_refsource_CONFIRM
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-ppp.c?r1=44688&r2=44687&pathrev=44688 x_refsource_CONFIRM
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=42989 x_refsource_CONFIRMPatch
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=44688 x_refsource_CONFIRMPatch
- http://osvdb.org/85883 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/55754 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1027604 vdb-entryx_refsource_SECTRACK
- http://www.wireshark.org/security/wnpa-sec-2012-27.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2012-5238 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7316 x_refsource_CONFIRM
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7668 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=862507 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79010 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2012-5238
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15593 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2012-5238
Change history (0)
No recorded changes yet.