Description
The form library in Horde Application Framework 3.2 before 3.2.5 and 3.3 before 3.3.5; Groupware 1.1 before 1.1.6 and 1.2 before 1.2.4; and Groupware Webmail Edition 1.1 before 1.1.6 and 1.2 before 1.2.4; reuses temporary filenames during the upload process which allows remote attackers, with privileges to write to the address book, to overwrite arbitrary files and execute PHP code via crafted Horde_Form_Type_image form field elements.
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 5.0 | horde3 | 3.2.2+debian0-2+lenny1 | DSA-1897-1 |
| Debian 4.0 | horde3 | 3.1.3-4etch6 | DSA-1897-1 |
Advisories 1
- DSA-1897-1 horde3 - arbitrary code execution Debian Security (DSA / DLA) · Mar 9, 2026
References
- 58107 vdb-entry
- 36882 third-party-advisory
- [horde-announce] 20090914 [announce] Horde Groupware 1.2.4 (final) mailing-list
- 36665 third-party-advisory
- DSA-1897 vendor-advisory
- [horde-announce] 20090914 [announce] Horde Groupware Webmail Edition 1.1.6 (final) mailing-list
- [horde-announce] 20090914 [announce] Horde Groupware Webmail Edition 1.2.4 (final) mailing-list
- [horde-announce] 20090914 [announce] [SECURITY] Horde 3.2.5 (final) mailing-list
- [horde-announce] 20090914 [announce] [SECURITY] Horde 3.3.5 (final) mailing-list
- horde-application-form-file-overwrite(53202) vdb-entry
- [horde-announce] 20090914 [announce] Horde Groupware 1.1.6 (final) mailing-list