RoundCube up to 1.0.5 Contact Photo _alt Absolute path traversal

CVSS Meta Temp Score
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A vulnerability, which was classified as critical, has been found in RoundCube up to 1.0.5 (Mail Client Software). Affected by this issue is an unknown functionality of the file program/steps/addressbook/ of the component Contact Photo Handler. The manipulation of the argument _alt with an unknown input leads to a path traversal vulnerability (Absolute). Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, and integrity. CVE summarizes:

Absolute path traversal vulnerability in program/steps/addressbook/ in Roundcube before 1.0.6 and 1.1.x before 1.1.2 allows remote authenticated users to read arbitrary files via a full pathname in the _alt parameter, related to contact photo handling.

The weakness was disclosed 01/29/2016 (Website). The advisory is shared for download at This vulnerability is handled as CVE-2015-8794 since 01/29/2016. The attack may be launched remotely. The successful exploitation needs a simple authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 1.0.6 eliminates this vulnerability.

The entry VDB-80731 is pretty similar.






CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
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NVD Base Score: 6.5
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Name: Absolute
Class: Path traversal / Absolute

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: RoundCube 1.0.6


01/29/2016 🔍
01/29/2016 +0 days 🔍
01/29/2016 +0 days 🔍
02/01/2016 +3 days 🔍
07/06/2022 +2347 days 🔍


Advisory: 14903
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8794 (🔍)
See also: 🔍


Created: 02/01/2016 10:41 AM
Updated: 07/06/2022 03:24 PM
Changes: 02/01/2016 10:41 AM (54), 07/11/2018 04:11 AM (8), 07/06/2022 03:24 PM (3)
Complete: 🔍
Cache ID: 34:3D1:40


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