CVE-2013-5018

no score yetEPSS 3.0%

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.

EPSS: 3.0% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2013-08-28
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

opensuse:opensuse
strongswan:strongswan

References

http://lists.opensuse.org/opensuse-updates/2013-08/msg00021.html
http://lists.opensuse.org/opensuse-updates/2013-08/msg00022.html
http://lists.opensuse.org/opensuse-updates/2013-08/msg00050.html
http://secunia.com/advisories/54315
http://secunia.com/advisories/54524

Check your stack JSON