var-201901-0468
Vulnerability from variot
A vulnerability in the Cisco Jabber Client Framework (JCF) software, installed as part of the Cisco Jabber for Mac client, could allow an authenticated, local attacker to corrupt arbitrary files on an affected device that has elevated privileges. The vulnerability exists due to insecure directory permissions set on a JCF created directory. An authenticated attacker with the ability to access an affected directory could create a hard link to an arbitrary location on the affected system. An attacker could convince another user that has administrative privileges to perform an install or update the Cisco Jabber for Mac client to perform such actions, allowing files to be created in an arbitrary location on the disk or an arbitrary file to be corrupted when it is appended to or overwritten. A local attacker can exploit this issue to obtain sensitive information and perform unauthorized actions; this may aid in launching further attacks. This issue is being tracked by Cisco Bug ID CSCvm60187. Cisco Jabber Client for Mac OS is a set of unified communication client programs based on the Mac OS platform of Cisco (Cisco). The program offers instant messaging, voice and video calling, and more. A local attacker could exploit this vulnerability to create or corrupt arbitrary files anywhere on the disk
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.