CVE-2019-1763 Cisco IP Phone 8800 Series Authorization Bypass Vulnerability
Unauthenticated remote attackers can bypass authorization and cause denial of service on Cisco IP Phones via crafted URLs in the web management interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-1763?
CVE-2019-1763 is a high-severity authentication bypass vulnerability in Cisco IP Conference Phone 8832 and the rest of the IP Phone 8800 Series, published on 22 Mar 2019. An attacker can exploit it over the internet without logging in, 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 unauthenticated, remote attacker to bypass authorization, access critical services, and cause a denial of service (DoS) condition. The vulnerability exists because the software fails to sanitize URLs before it handles requests. An attacker could exploit this vulnerability by submitting a crafted URL. A successful exploit could allow the attacker to gain unauthorized access to critical services and cause a DoS condition. 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. Cisco IP Conference Phone 8831 is not affected.
Weakness: CWE-284
Which versions are affected by CVE-2019-1763?
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-2019-1763?
No fix has been published for CVE-2019-1763 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2019-1763 being exploited?
There is no known exploitation of CVE-2019-1763 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-p8vp-w9wf-97hp.