CVE-2014-3694
First published: Tue Oct 21 2014(Updated: )
It was reported that the SSL/TLS plug-ins failed to check that the Basic Constraints extension allowed intermediate certificates to act as Certificate Authorities (CAs). An attacker could use this flaw to create a fake certificate that Pidgin would trust, which could be used for man-in-the-middle attacks. This is the same situation as described in <a href="http://www.thoughtcrime.org/ie-ssl-chain.txt">http://www.thoughtcrime.org/ie-ssl-chain.txt</a> Acknowledgments: Name: the Pidgin project Upstream: Jacob Appelbaum, Moxie Marlinspike
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/pidgin | <2.10.10 | 2.10.10 |
| openSUSE | =12.3 | |
| openSUSE | =13.1 | |
| openSUSE | =13.2 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =14.10 | |
| Debian Linux | =7.0 | |
| Pidgin | <=2.10.9 | |
| Pidgin | =2.10.0 | |
| Pidgin | =2.10.1 | |
| Pidgin | =2.10.2 | |
| Pidgin | =2.10.3 | |
| Pidgin | =2.10.4 | |
| Pidgin | =2.10.5 | |
| Pidgin | =2.10.6 | |
| Pidgin | =2.10.7 | |
| Pidgin | =2.10.8 |
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Reference Links
- http://www.thoughtcrime.org/ie-ssl-chain.txt
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=948786&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=948786&action=edit
- http://www.pidgin.im/news/security/?id=86
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1155838
- https://access.redhat.com/errata/RHSA-2017:1854
- https://bugzilla.redhat.com/show_bug.cgi?id=1154908
- http://hg.pidgin.im/pidgin/main/rev/2e4475087f04
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00023.html
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00037.html
- http://pidgin.im/news/security/?id=86
- http://secunia.com/advisories/60741
- http://secunia.com/advisories/61968
- http://www.debian.org/security/2014/dsa-3055
- http://www.ubuntu.com/usn/USN-2390-1
Frequently Asked Questions
What is the severity of CVE-2014-3694?
CVE-2014-3694 is considered a high severity vulnerability due to its potential for exploitation in man-in-the-middle attacks.
How do I fix CVE-2014-3694?
To fix CVE-2014-3694, update Pidgin to version 2.10.10 or later.
Which software versions are affected by CVE-2014-3694?
CVE-2014-3694 affects Pidgin versions up to and including 2.10.9 and multiple versions of OpenSUSE, Ubuntu, and Debian.
What type of attack can exploit CVE-2014-3694?
CVE-2014-3694 can be exploited to perform man-in-the-middle attacks by creating a fake certificate that Pidgin would trust.
Is there a workaround for CVE-2014-3694?
While the best solution is to apply the update, temporarily disabling SSL/TLS verification may serve as a workaround until patched.
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