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Unscored Public exploit CVE-2013-4348 EUVD-2013-4232GHSA-mm7v-94jm-v6mc

The skb_flow_dissect function in net/core/flow_dissector.c in the Linux kernel through 3.12 allows remote attackers to cause a denial of se…

Published Nov 4, 2013 · Updated Aug 6, 2024 · Assigned by redhat

Description

The skb_flow_dissect function in net/core/flow_dissector.c in the Linux kernel through 3.12 allows remote attackers to cause a denial of service (infinite loop) via a small value in the IHL field of a packet with IPIP encapsulation.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 linux 3.11.6-2 —
Debian 13 linux 3.11.6-2 —
Debian 12 linux 3.11.6-2 —
ReleasePackageFixed inAdvisory
Red Hat MRG 2 kernel-rt +11 3.8.13-rt14.25.el6rt RHSA-2013:1490

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 7 dtrace-modules-3.8.13-35.3.2.el7uek 0.4.3-4.el7 ELSA-2014-3049
Oracle Linux 7 kernel-uek +5 3.8.13-35.3.2.el7uek ELSA-2014-3049

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • bl4ck5un/cve-2013-4348 ★ 0 · Apr 7, 2014

    DOS (infinite loop) attack via a small value in the IHL field of a packet with IPIP encapsulation

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 2

References