LOW
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
Published Nov 15, 2013
2.6
LOWCVSS 2.0
EPSS 2.81%
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.
Affected products
No data.
Configuration 1
OR
- ≤ 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
- 2.0.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (1)
References (10)
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105568.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105609.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00012.html vendor-advisoryx_refsource_SUSEVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00016.html vendor-advisoryx_refsource_SUSE
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:167 vendor-advisoryx_refsource_MANDRIVA
- http://www.openwall.com/lists/oss-security/2013/05/06/6 mailing-listx_refsource_MLIST
- https://bugs.gentoo.org/show_bug.cgi?id=468756 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=960192 x_refsource_CONFIRM
- https://community.openvpn.net/openvpn/wiki/SecurityAnnouncement-f375aa67cc x_refsource_CONFIRM
- https://github.com/OpenVPN/openvpn/commit/11d21349a4e7e38a025849479b36ace7c2eec2ee x_refsource_CONFIRMExploitPatch
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105568.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105609.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.opensuse.org/opensuse-updates/2013-11/msg00012.html | vendor-advisoryx_refsource_SUSEVendor Advisory | |
| http://lists.opensuse.org/opensuse-updates/2013-11/msg00016.html | vendor-advisoryx_refsource_SUSE | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2013:167 | vendor-advisoryx_refsource_MANDRIVA | |
| http://www.openwall.com/lists/oss-security/2013/05/06/6 | mailing-listx_refsource_MLIST | |
| https://bugs.gentoo.org/show_bug.cgi?id=468756 | x_refsource_CONFIRM | |
| https://bugzilla.redhat.com/show_bug.cgi?id=960192 | x_refsource_CONFIRM | |
| https://community.openvpn.net/openvpn/wiki/SecurityAnnouncement-f375aa67cc | x_refsource_CONFIRM | |
| https://github.com/OpenVPN/openvpn/commit/11d21349a4e7e38a025849479b36ace7c2eec2ee | x_refsource_CONFIRMExploitPatch |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Nov 15, 2013
Updated Aug 6, 2024
Reserved Feb 19, 2013
Link CVE-2013-2061
CISA Vulnrichment
Updated n/a