Buffer overflow in the spa_base64_to_bits function in Exim before 4.43, as originally obtained from Samba code, and as called by the auth_spa_client function, may allow attackers to execute arbitrary code during SPA authentication.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Exim | University_of_cambridge | * | 4.40 (including) |
| Exim | University_of_cambridge | 4.41 (including) | 4.41 (including) |
| Exim | University_of_cambridge | 4.42 (including) | 4.42 (including) |
| Red Hat Enterprise Linux 4 | RedHat | exim-0:4.43-1.RHEL4.3 | * |
| Exim4 | Ubuntu | dapper | * |
| Exim4 | Ubuntu | devel | * |
| Exim4 | Ubuntu | edgy | * |
| Exim4 | Ubuntu | feisty | * |
References
- http://ftp6.us.freebsd.org/pub/mail/exim/ChangeLogs/ChangeLog-4.44
- http://marc.info/?l=bugtraq\u0026m=110824870908614\u0026w=2
- http://security.gentoo.org/glsa/glsa-200501-23.xml
- http://www.exim.org/mail-archives/exim-users/Week-of-Mon-20050103/msg00028.html
- http://www.idefense.com/application/poi/display?id=178\u0026type=vulnerabilities
- http://www.redhat.com/support/errata/RHSA-2005-025.html
- http://www.securityfocus.com/bid/12188
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11293
- http://ftp6.us.freebsd.org/pub/mail/exim/ChangeLogs/ChangeLog-4.44
- http://marc.info/?l=bugtraq\u0026m=110824870908614\u0026w=2
- http://security.gentoo.org/glsa/glsa-200501-23.xml
- http://www.exim.org/mail-archives/exim-users/Week-of-Mon-20050103/msg00028.html
- http://www.idefense.com/application/poi/display?id=178\u0026type=vulnerabilities
- http://www.redhat.com/support/errata/RHSA-2005-025.html
- http://www.securityfocus.com/bid/12188
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11293