CVE-2013-5018 Integer overflow in n/a
Remote attackers can cause a denial of service in strongSwan via crafted ASN.1 data triggering an integer overflow and segmentation fault.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-5018?
CVE-2013-5018 is a medium-severity vulnerability in Opensuse Opensuse, published on 28 Aug 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The is_asn1 function in strongSwan 4.1.11 through 5.0.4 does not properly validate the return value of the asn1_length function, which allows remote attackers to cause a denial of service (segmentation fault) via a (1) XAuth username, (2) EAP identity, or (3) PEM encoded file that starts with a 0x04, 0x30, or 0x31 character followed by an ASN.1 length value that triggers an integer overflow.
Weakness: CWE-119
Which versions are affected by CVE-2013-5018?
It affects 2 products.
Products include Opensuse Opensuse, Strongswan Strongswan.
How do I fix CVE-2013-5018?
Upgrade to a fixed version.
Is CVE-2013-5018 being exploited?
There is no known exploitation of CVE-2013-5018 in the wild and no public exploit code.
Other vulnerabilities in Opensuse Opensuse
Sources
Also known as GHSA-7xq3-j5px-xf94.