Description
lib/sup/message_chunks.rb in Sup before 0.13.2.1 and 0.14.x before 0.14.1.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the content_type of an email attachment.
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 | sup-mail | 0.12.1+git20120407.aaa852f-1+deb7u1 | — |
| Debian 13 | sup-mail | 0.12.1+git20120407.aaa852f-1+deb7u1 | — |
| Debian 12 | sup-mail | 0.12.1+git20120407.aaa852f-1+deb7u1 | — |
| Debian 7 | sup-mail | 0.12.1+git20120407.aaa852f-1+deb7u1 | DSA-2805-1 |
| Debian 6.0 | sup-mail | 0.11-2+nmu1+deb6u1 | DSA-2805-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| RubyGems | sup | < 0.13.2.1 | 0.13.2.1 | GHSA-hh2x-7mf9-78fr |
| RubyGems | sup | >= 0.14.0, < 0.14.1.1 | 0.14.1.1 | GHSA-hh2x-7mf9-78fr |
Advisories 1
- DSA-2805-1 sup-mail - remote command injection Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://github.com/sup-heliotrope/sup/commit/ca0302e0c716682d2de22e9136400c704cc93e42
- 55294 third-party-advisory
- 55400 third-party-advisory
- 20131029 Advisory: sup MUA Command Injection mailing-list
- [sup-talk] 20131029 Security advisory, releases 0.13.2.1 and 0.14.1.1 mailing-list
- DSA-2805 vendor-advisory
- [oss-security] 20131029 Re: CVE Request: sup MUA Command Injection mailing-list
- FEDORA-2015-14929 vendor-advisory