Use-after-free in Openswan - CVE-2011-4073
Published: November 17, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44513
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2011-4073
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: openswan.org
Affected software:
Openswan
Openswan
Detailed vulnerability description
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.
How to mitigate CVE-2011-4073
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- 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