The dissect_sflow_245_address_type function in epan/dissectors/packet-sflow.c in the sFlow dissector in Wireshark 1.8.x before 1.8.4 does…

Description

The dissect_sflow_245_address_type function in epan/dissectors/packet-sflow.c in the sFlow dissector in Wireshark 1.8.x before 1.8.4 does not properly handle length calculations for an invalid IP address type, which allows remote attackers to cause a denial of service (infinite loop) via a packet that is neither IPv4 nor IPv6.

Scores

EPSS (exploitation in 30 days)

2.8% · top 14% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a
• CWE-189 (opens in a new tab)

Affected products

• n/a

  • affected n/a

References (7)

• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7789 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.wireshark.org/security/wnpa-sec-2012-32.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• oval:org.mitre.oval:def:15764 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• http://anonsvn.wireshark.org/viewvc?view=revision&revision=45324 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-sflow.c?r1=45324&r2=45323&pathrev=45324 (opens in a new tab)x_refsource_CONFIRMx_transferred
• openSUSE-SU-2012:1633 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• openSUSE-SU-2013:0151 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Record last updated 6 Aug 2024, 21:21 UTC.