5.0
MEDIUM CVSS 2.0
CVE-2009-0126
BOINC SSL/TLS Signature Validation Bypass
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.

INFO

Published Date :

Jan. 15, 2009, 5:30 p.m.

Last Modified :

April 9, 2025, 12:30 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2009-0126 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Berkeley boinc_client
2 Berkeley boinc
: Total Affected Vendor : 1 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
Solution
Follow the instructions below to mitigate the CVE-2009-0126 vulnerability.
Update the affected boinc-client packages.
Public PoC/Exploit Available at Github

CVE-2009-0126 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2009-0126.

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

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2009-0126 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2009-0126 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
chnzzh/OpenSSL-CVE-lib

None

Updated: 16 hours, 42 minutes ago
6 stars 0 fork 0 watcher
Born at : Feb. 23, 2023, 5:42 a.m. This repo has been linked 479 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2009-0126 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2009-0126 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://boinc.berkeley.edu/trac/changeset/16883
    Added Reference http://boinc.berkeley.edu/trac/ticket/823
    Added Reference http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511521
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.html
    Added Reference http://openwall.com/lists/oss-security/2009/01/12/4
    Added Reference http://secunia.com/advisories/33806
    Added Reference http://secunia.com/advisories/33828
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=479664
    Added Reference https://www.redhat.com/archives/fedora-package-announce/2009-February/msg00034.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jan. 16, 2009

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.50 }} -1.04%

score

0.63252

percentile