Use-after-free in Openswan - CVE-2011-4073
Published: November 17, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44513
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-4073
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing vectors related to the (1) quick_outI1_continue and (2) quick_outI1 functions. A remote authenticated users can cause a denial of service (pluto IKE daemon crash).
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
Openswan
Amazon Linux AMI
Gentoo Linux
Amazon Linux AMI
Gentoo Linux
How to mitigate CVE-2011-4073
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
External References
- http://secunia.com/advisories/46678
- http://secunia.com/advisories/46681
- http://secunia.com/advisories/47342
- http://www.debian.org/security/2011/dsa-2374
- http://www.openswan.org/download/CVE-2011-4073/CVE-2011-4073.txt
- http://www.redhat.com/support/errata/RHSA-2011-1422.html
- http://www.securityfocus.com/bid/50440
- http://www.securitytracker.com/id?1026268