Description
Internet Systems Consortium (ISC) BIND 9.6.0 and earlier 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 and CVE-2009-0025.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected products
- ISC / BIND9.6.0
References
- VENDOR_ADVISORYhttp://www.mandriva.com/security/advisories?name=MDVSA-2009:037
- VENDOR_ADVISORYhttp://secunia.com/advisories/33559
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2009/0043
- MISChttp://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.540362
- MISChttp://groups.google.com/group/comp.protocols.dns.bind/browse_thread/thread/49ef622c8329fd33
- MISChttps://www.isc.org/node/373