CVE-2019-9858

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Summary

CVECVE-2019-9858
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-05-29 17:29:00 UTC
Updated2022-04-18 17:13:00 UTC
DescriptionRemote code execution was discovered in Horde Groupware Webmail 5.2.22 and 5.2.17. Horde/Form/Type.php contains a vulnerable class that handles image upload in forms. When the Horde_Form_Type_image method onSubmit() is called on uploads, it invokes the functions getImage() and _getUpload(), which uses unsanitized user input as a path to save the image. The unsanitized POST parameter object[photo][img][file] is saved in the $upload[img][file] PHP variable, allowing an attacker to manipulate the $tmp_file passed to move_uploaded_file() to save the uploaded file. By setting the parameter to (for example) ../usr/share/horde/static/bd.php, one can write a PHP backdoor inside the web root. The static/ destination folder is a good candidate to drop the backdoor because it is always writable in Horde installations. (The unsanitized POST parameter went probably unnoticed because it's never submitted by the forms, which default to securely using a random path.)

Risk And Classification

Problem Types: CWE-22

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Application Horde Groupware 5.2.17 All All All
Application Horde Groupware 5.2.22 All All All
Application Horde Groupware 5.2.17 All All All
Application Horde Groupware 5.2.22 All All All

References

ReferenceSourceLinkTags
Horde Form Shell Upload ≈ Packet Storm MISC packetstormsecurity.com Exploit, Third Party Advisory, VDB Entry
Debian -- Security Information -- DSA-4468-1 php-horde-form DEBIAN www.debian.org
[SECURITY] [DLA 1822-1] php-horde-form security update MLIST lists.debian.org
Bugtraq: [SECURITY] [DSA 4468-1] php-horde-form security update BUGTRAQ seclists.org
SSD Advisory – Horde Groupware Webmail Authenticated Arbitrary File Injection to RCE - SSD Secure Disclosure MISC ssd-disclosure.com Exploit, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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