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CVE-2009-0265

Publication date 26 January 2009

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
bind9 8.10 intrepid
Not affected
8.04 LTS hardy
Not affected
7.10 gutsy
Not affected
6.06 LTS dapper
Not affected

Notes

jdstrand

Only affects Bind 9.6.0. 9.5 and earlier does not have EVP_VerifyFinal().

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N