Description
The AliasHandler component in PostfixAdmin before 3.0.2 allows remote authenticated domain admins to delete protected aliases via the delete parameter to delete.php, involving a missing permission check.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | postfixadmin | 3.0.2-1 | — |
| Debian 13 | postfixadmin | 3.0.2-1 | — |
| Debian 12 | postfixadmin | 3.0.2-1 | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.23 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.22 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.21 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.20 | postfixadmin | 3.0.2-r0 | — |
Show 18 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.18 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.17 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.16 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.15 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.14 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.13 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.12 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.11 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.10 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.9 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.8 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.7 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.6 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.5 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.4 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.3 | postfixadmin | 3.0.2-r0 | — |
| Alpine v3.2 | postfixadmin | 2.9.2-r1 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Metasploit 1 module
-
Postfixadmin Protected Alias Deletion Vulnerability
auxiliary/admin/http/pfadmin_set_protected_alias
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- [postfixadmin-devel] 20170204 Security hole in AliasHandler mailing-list
- https://github.com/postfixadmin/postfixadmin/blob/postfixadmin-3.0.2/CHANGELOG.TXT
- 96142 vdb-entry
- openSUSE-SU-2017:0488 vendor-advisory
- [oss-security] 20170207 Re: CVE request: PostfixAdmin allows to delete protected aliases mailing-list
- https://github.com/postfixadmin/postfixadmin/pull/23
- [oss-security] 20170209 Re: CVE request: PostfixAdmin allows to delete protected aliases mailing-list