CVE-2013-2061
Low
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.
SeverityLow
CVSS2.6
Exploit probability—
ProductOpenvpn
PublishedNov 18, 2013
First seenNov 18, 2013
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openvpn openvpn | v ≤ 2.3.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, 1.3.2, 1.4.0, 1.4.1, 1.4.2, 1.4.3, 1.5.0, 1.6.0, 2.1.0, 2.2.0 | — |
| openvpn openvpn_access_server | 2.0.0 | — |
| opensuse opensuse | 11.4 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.