CVE-2019-1765 Cisco IP Phone 8800 Series Path Traversal Vulnerability
An authenticated attacker can write arbitrary files to the filesystem of Cisco IP Phones via the web management interface.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-1765?
CVE-2019-1765 is a high-severity path traversal vulnerability in Cisco IP Conference Phone 8832 and the rest of the IP Phone 8800 Series, published on 22 Mar 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the web-based management interface of Session Initiation Protocol (SIP) Software for Cisco IP Phone 8800 Series could allow an authenticated, remote attacker to write arbitrary files to the filesystem. The vulnerability is due to insufficient input validation and file-level permissions. An attacker could exploit this vulnerability by uploading invalid files to an affected device. A successful exploit could allow the attacker to write files in arbitrary locations on the filesystem. This vulnerability affects Cisco IP Phone 8800 Series products running a SIP Software release prior to 11.0(5) for Wireless IP Phone 8821 and 8821-EX; and 12.5(1)SR1 for the IP Conference Phone 8832 and the rest of the IP Phone 8800 Series.
Weakness: CWE-22
Which versions are affected by CVE-2019-1765?
It affects 4 products.
Products include Cisco Ip Conference Phone 8832 Firmware, Cisco Ip Phone 8800 Firmware, Cisco Ip Phone 8821-Ex Firmware, Cisco Ip Phone 8821 Firmware.
How do I fix CVE-2019-1765?
No fix has been published for CVE-2019-1765 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2019-1765 being exploited?
There is no known exploitation of CVE-2019-1765 in the wild and no public exploit code.
Other vulnerabilities in Cisco IP Conference Phone 8832 and the rest of the IP Phone 8800 Series
Sources
Also known as GHSA-2473-cf85-p25m.