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vulnerability alert CVE-2013-6688

Cisco Unified Communications Manager: file upload via ELM

Synthesis of the vulnerability

An authenticated attacker can upload a malicious file via ELM on Cisco Unified Communications Manager, in order for example to upload a Trojan.
Impacted systems: Cisco CUCM.
Severity of this alert: 2/4.
Consequences of an intrusion: data creation/edition.
Pirate's origin: user account.
Creation date: 14/11/2013.
Références of this alert: BID-63733, CSCui58222, CVE-2013-6688, VIGILANCE-VUL-13781.

Description of the vulnerability

The Cisco Enterprise License Manager service has a file upload interface.

However, an attacker can manipulate the path, so the file is stored outside the storage directory.

An authenticated attacker can therefore upload a malicious file via ELM on Cisco Unified Communications Manager, in order for example to upload a Trojan.
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