Vulnerability CVE-2009-0126
Published: 2009-01-15   Modified: 2012-02-13

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.

Type:

CWE-287

 (Improper Authentication)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Berkeley -> Boinc client 

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