TI-2009-00113 Aliases CVE-2009-0124 GHSA-2q3r-gf9c-fhv3

The tqsl_verifyDataBlock function in openssl_cert.cpp in American Radio Relay League…

LOW 26CWE-287Published 2009-01-15 · Updated 2024-08-07

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: Partial · None · None
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

The tqsl_verifyDataBlock function in openssl_cert.cpp in American Radio Relay League (ARRL) tqsllib 2.0 does not properly check the return value from the OpenSSL EVP_VerifyFinal 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.

Why it matters now

EPSS 0.01324 71st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:arrl:tqsllib:2.0:::::::*	2.0	Vulnerable	Arrl

cpe:2.3:a:arrl:tqsllib:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Arrl

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2009-0124
2026-10-03 Alias added: GHSA-2q3r-gf9c-fhv3

References

Exploit 1

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511509

Advisory 1

FEDORA-2009-0543

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences