Auth bypass in Berkeley Boinc Client
CVE-2009-0126
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.024 (83.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Berkeley Boinc Client — versions 6.2.14, 6.4.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secunia.com/advisories/33828 (third-party-advisory)
- bugs.debian.org/cgi-bin/bugreport.cgi (Exploit)
- secunia.com/advisories/33806 (third-party-advisory)
- lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.html (vendor-advisory)
- openwall.com/lists/oss-security/2009/01/12/4 (mailing-list)
- boinc.berkeley.edu/trac/changeset/16883
- boinc.berkeley.edu/trac/ticket/823 (Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Exploit)
- www.redhat.com/archives/fedora-package-announce/2009-February/msg00034.html (vendor-advisory)
Frequently asked questions
- What is CVE-2009-0126?
- CVE-2009-0126 is a vulnerability in Berkeley Boinc Client, classified under Improper Authentication. Published 2009-01-15.
- Is CVE-2009-0126 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.