CVE-2013-5018
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
ProductStrongswan
PublishedAug 28, 2013
First seenAug 28, 2013
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| strongswan strongswan | 4.1.11, 5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.0.4 | — |
| opensuse opensuse | 11.4, 12.2, 12.3 | — |
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