CVE-2009-0124
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…
Does this matter?
Lower severity and a low EPSS score (1.32%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
- EPSS
- 1.32% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- arrl/tqsllib
- Source
- cve@mitre.org
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511509Exploit
- http://openwall.com/lists/oss-security/2009/01/12/4
- http://secunia.com/advisories/33543
- https://bugzilla.redhat.com/show_bug.cgi?id=479650
- https://www.redhat.com/archives/fedora-package-announce/2009-January/msg00557.html
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511509Exploit
- http://openwall.com/lists/oss-security/2009/01/12/4
- http://secunia.com/advisories/33543
- https://bugzilla.redhat.com/show_bug.cgi?id=479650
- https://www.redhat.com/archives/fedora-package-announce/2009-January/msg00557.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.