CVE-2015-0209 Use after free in n/a
Remote attackers can cause denial of service or potential code execution via a malformed EC private-key file processed by OpenSSL.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2015-0209?
CVE-2015-0209 is a medium-severity use after free vulnerability in Openssl Openssl, published on 19 Mar 2015. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Use-after-free vulnerability in the d2i_ECPrivateKey function in crypto/ec/ec_asn1.c in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a might allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via a malformed Elliptic Curve (EC) private-key file that is improperly handled during import.
Which versions are affected by CVE-2015-0209?
It affects 1 product.
Products include Openssl Openssl.
How do I fix CVE-2015-0209?
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-2015-0209 being exploited?
There is no known exploitation of CVE-2015-0209 in the wild and no public exploit code.
Other vulnerabilities in Openssl Openssl
Sources
Also known as DEBIAN-CVE-2015-0209, GHSA-gc3c-j46x-fm67, UBUNTU-CVE-2015-0209.