CVE-2009-0126

Public Exploit

Description

The decrypt_public function in lib/crypt.cpp in the client in Berkeley Open Infrastructure for Network Computing (BOINC) 6.2.14 and 6.4.5 does not check the return value from the OpenSSL RSA_public_decrypt function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.50%
Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory berkeley.edu
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/33828 third party advisory
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511521 exploit
http://secunia.com/advisories/33806 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.html vendor advisory
http://openwall.com/lists/oss-security/2009/01/12/4 mailing list
http://boinc.berkeley.edu/trac/changeset/16883
http://boinc.berkeley.edu/trac/ticket/823 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=479664 exploit
https://www.redhat.com/archives/fedora-package-announce/2009-February/msg00034.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2009-0126?
CVE-2009-0126 has been scored as a medium severity vulnerability.
How to fix CVE-2009-0126?
To fix CVE-2009-0126, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-0126 being actively exploited in the wild?
It is possible that CVE-2009-0126 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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