CVE-2009-4028
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…
Does this matter?
Lower severity and a low EPSS score (1.77%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 1.77% probability · 77th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- mysql/mysql · oracle/mysql
- Source
- secalert@redhat.com
References
- http://bugs.mysql.com/47320
- http://dev.mysql.com/doc/refman/5.0/en/news-5-0-88.html
- http://dev.mysql.com/doc/refman/5.1/en/news-5-1-41.html
- http://lists.mysql.com/commits/87446Exploit
- http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
- http://marc.info/?l=oss-security&m=125881733826437&w=2
- http://www.openwall.com/lists/oss-security/2009/11/19/3
- http://www.openwall.com/lists/oss-security/2009/11/23/16
- http://www.redhat.com/support/errata/RHSA-2010-0109.html
- http://www.vupen.com/english/advisories/2010/1107Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10940
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8510
- http://bugs.mysql.com/47320
- http://dev.mysql.com/doc/refman/5.0/en/news-5-0-88.html
- http://dev.mysql.com/doc/refman/5.1/en/news-5-1-41.html
- http://lists.mysql.com/commits/87446Exploit
- http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
- http://marc.info/?l=oss-security&m=125881733826437&w=2
- http://www.openwall.com/lists/oss-security/2009/11/19/3
- http://www.openwall.com/lists/oss-security/2009/11/23/16
- http://www.redhat.com/support/errata/RHSA-2010-0109.html
- http://www.vupen.com/english/advisories/2010/1107Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10940
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8510
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.