Resource management error in Linux kernel - CVE-2013-4348

 

Resource management error in Linux kernel - CVE-2013-4348

Published: November 4, 2013 / Updated: July 20, 2020


Vulnerability identifier: #VU28392
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-4348
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

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.


Affected software

Linux kernel
Amazon Linux AMI
Ubuntu
linux-grsec (Alpine package)
linux (Ubuntu package)
linux-lts-quantal (Ubuntu package)
linux-lts-raring (Ubuntu package)
linux-lts-saucy (Ubuntu package)

How to mitigate CVE-2013-4348

Install update from vendor's website.

Linux kernel - update to 4.2
linux (Ubuntu package) - addressed in versions 3.2.0-59.90, 3.11.0-15.23
linux-lts-quantal (Ubuntu package) - update to 3.5.0-45.68~precise1
linux-lts-raring (Ubuntu package) - update to 3.8.0-36.52~precise1
linux-lts-saucy (Ubuntu package) - update to 3.11.0-15.23~precise1

External References

Related Security Bulletins