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    CVE-2012-5238

    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.

    Published:Oct 2, 2012
    Last Modified:Apr 11, 2025
    EPS:Oct 4, 2012
    EPSS Score:0.00851
    CVSS Score:3.3

    Affected Products

    Vendor
    Wireshark
    Product
    Wireshark

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-76929 (CVSS 4.7) — Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76928 (CVSS 7.5) — X.509IF protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76927 (CVSS 4.7) — H.245 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76926 (CVSS 3.1) — BUSMASTER file parser abnormal exit in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76891 (CVSS 3.1) — Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76890 (CVSS 3.1) — Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76885 (CVSS 3.1) — Tektronix K12xx file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76924 (CVSS 5.5) — Kerberos protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76923 (CVSS 5.5) — Bluetooth HFP Profile protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76922 (CVSS 5.5) — Bluetooth BR/EDR FHS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…

    References

    http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-ppp.c?r1=42989&r2=42988&pathrev=42989
    http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-ppp.c?r1=44688&r2=44687&pathrev=44688
    http://anonsvn.wireshark.org/viewvc?view=revision&revision=42989
    http://anonsvn.wireshark.org/viewvc?view=revision&revision=44688
    http://osvdb.org/85883
    http://www.securityfocus.com/bid/55754
    http://www.securitytracker.com/id?1027604
    http://www.wireshark.org/security/wnpa-sec-2012-27.html
    https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7316
    https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7668
    https://exchange.xforce.ibmcloud.com/vulnerabilities/79010
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15593
    http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-ppp.c?r1=42989&r2=42988&pathrev=42989
    http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-ppp.c?r1=44688&r2=44687&pathrev=44688
    http://anonsvn.wireshark.org/viewvc?view=revision&revision=42989
    http://anonsvn.wireshark.org/viewvc?view=revision&revision=44688
    http://osvdb.org/85883
    http://www.securityfocus.com/bid/55754
    http://www.securitytracker.com/id?1027604
    http://www.wireshark.org/security/wnpa-sec-2012-27.html
    https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7316
    https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7668
    https://exchange.xforce.ibmcloud.com/vulnerabilities/79010
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15593

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High