Unscored severity · published Nov 18, 2013
CVE-2013-2061
The openvpn_decrypt function in crypto.c in OpenVPN 2.3.0 and earlier, when running in UDP mode, allows remote attackers to obtain sensitive information via a timing attack…
–
CVSS
2.8%
EPSS
No
On KEV
Description
The openvpn_decrypt function in crypto.c in OpenVPN 2.3.0 and earlier, when running in UDP mode, allows remote attackers to obtain sensitive information via a timing attack involving an HMAC comparison function that does not run in constant time and a padding oracle attack on the CBC mode cipher.
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Opensuse · Opensuse
11.4 · source: NVD
OP
Openvpn · Openvpn
through 2.3.0; 1.2.0; 1.2.1; 1.3.0; 1.3.1; 1.3.2; +8 more · source: NVD
OA
Openvpn Access Server · Openvpn
2.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2013-2061
CVE.org
https://www.cve.org/CVERecord?id=CVE-2013-2061
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105568.html
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105609.html
Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2013-11/msg00012.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-updates/2013-11/msg00016.html
www.mandriva.com
http://www.mandriva.com/security/advisories?name=MDVSA-2013:167
www.openwall.com
http://www.openwall.com/lists/oss-security/2013/05/06/6
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