CVE - CVE-2013-5018

CVE-ID
CVE-2013-5018	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[Users] 20130729 [strongSwan] charon crash right after xauth+rsa client connects (strongswan-5.0.4, ubuntu 12.04) URL:https://lists.strongswan.org/pipermail/users/2013-July/009540.html CONFIRM:http://strongswan.org/blog/2013/08/01/strongswan-5.1.0-released.html CONFIRM:http://strongswan.org/blog/2013/08/01/strongswan-denial-of-service-vulnerability-%28cve-2013-5018%29.html SUSE:openSUSE-SU-2013:1332 URL:http://lists.opensuse.org/opensuse-updates/2013-08/msg00021.html SUSE:openSUSE-SU-2013:1333 URL:http://lists.opensuse.org/opensuse-updates/2013-08/msg00022.html SUSE:openSUSE-SU-2013:1372 URL:http://lists.opensuse.org/opensuse-updates/2013-08/msg00050.html BID:61564 URL:http://www.securityfocus.com/bid/61564 SECUNIA:54315 URL:http://secunia.com/advisories/54315 SECUNIA:54524 URL:http://secunia.com/advisories/54524
Assigning CNA
N/A
Date Entry Created
20130730	Disclaimer: The entry creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20130730)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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