CVE-2009-5009 Use after free in n/a
A remote attacker can crash the OpenConnect VPN client via a crafted DTLS option during reconnection, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2009-5009?
CVE-2009-5009 is a medium-severity use after free vulnerability in n/a, published on 12 Oct 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted DTLS Cipher option during a reconnect operation.
Weakness: CWE-399
Which versions are affected by CVE-2009-5009?
It affects 1 product.
Products include Infradead Openconnect.
How do I fix CVE-2009-5009?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2009-5009 being exploited?
There is no known exploitation of CVE-2009-5009 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2013-7098 Memory corruption in n/a
- CVE-2012-3291 Memory corruption in n/a
- CVE-2010-3901 Security feature bypass in n/a
- CVE-2020-12105 Security feature bypass in n/a
- CVE-2012-6128 Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (applicati
Sources
Also known as DEBIAN-CVE-2009-5009, GHSA-ggcw-fq74-j5hg.