Resource exhaustion in Linux kernel - CVE-2013-7470
Published: April 23, 2019 / Updated: July 17, 2020
Vulnerability identifier: #VU31092
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2013-7470
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
cipso_v4_validate in include/net/cipso_ipv4.h in the Linux kernel before 3.11.7, when CONFIG_NETLABEL is disabled, allows attackers to cause a denial of service (infinite loop and crash), as demonstrated by icmpsic, a different vulnerability than CVE-2013-0310.
How to mitigate CVE-2013-7470
Install update from vendor's website.
Sources
- https://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.11.7
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f2e5ddcc0d12f9c4c7b254358ad245c9dddce13b
- https://github.com/torvalds/linux/commit/f2e5ddcc0d12f9c4c7b254358ad245c9dddce13b
- https://support.f5.com/csp/article/K21914362