CVE-2013-5018 - CVE House
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Status published Medium CVE-2013-5018

The is_asn1 function in strongSwan 4.1.11 through 5.0.4 does not...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

strongswan, opensuse
Vulnerable Versions:
4.1.11, 5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 11.4, 12.2, 12.3

Timeline

Official Publish: August 28th, 2013
Last Modified: August 6th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.