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The vio_verify_callback function in viosslfactories.c in MySQL 5.0.x before 5.0.88 and 5.1.x before 5.1.41 when OpenSSL is used accepts a value of zero for the depth of X.509 certificates which allows man-in-the-middle attackers to spoof arbitrary SSL-based MySQL servers via a crafted certificate as demonstrated by a certificate presented by a server linked against the yaSSL library.

oval:org.mitre.oval:def:10940

The vio_verify_callback function in viosslfactories.c in MySQL 5.0.x before 5.0.88 and 5.1.x before 5.1.41 when OpenSSL is used accepts a value of zero for the depth of X.509 certificates which allows man-in-the-middle attackers to spoof arbitrary SSL-based MySQL servers via a crafted certificate as demonstrated by a certificate presented by a server linked against the yaSSL library.

Family:
unix
Status:
ACCEPTED
Platform(s):
  • Red Hat Enterprise Linux 5
  • Oracle Linux 5
  • CentOS Linux 5
Class:
vulnerability
Reference(s):
  • CVE-2009-4028
Product(s):