CVE-2009-0126 Security feature bypass in n/a

Medium 5.0 Published Updated

Remote attackers can bypass SSL/TLS certificate validation in the BOINC client by exploiting unchecked return values in RSA decryption, enabling man-in-the-middle attacks.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2009-0126?

CVE-2009-0126 is a medium-severity vulnerability in n/a, published on 15 Jan 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-287

Which versions are affected by CVE-2009-0126?

It affects 1 product.

Products include Berkeley Boinc Client.

How do I fix CVE-2009-0126?

Upgrade to a fixed version.

Is CVE-2009-0126 being exploited?

There is no known exploitation of CVE-2009-0126 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2009-0126, DSA-1718-1, GHSA-gpcp-59gr-fj3v.

Is CVE-2009-0126 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free