Cisco SPA100 ATA Web-based Management Interface Request memory corruption

Summaryinfo

A vulnerability marked as critical has been reported in Cisco SPA100 ATA. Affected is an unknown function of the component Web-based Management Interface. This manipulation as part of Request causes memory corruption. This vulnerability is handled as CVE-2019-15248. The attack can only be done within the local network. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco SPA100 ATA (the affected version is unknown). It has been declared as critical. Affected by this vulnerability is an unknown code of the component Web-based Management Interface. The manipulation as part of a Request leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple vulnerabilities in Cisco SPA100 Series Analog Telephone Adapters (ATAs) could allow an authenticated, adjacent attacker to execute arbitrary code with elevated privileges. The vulnerabilities are due to improper validation of user-supplied input to the web-based management interface. An attacker could exploit these vulnerabilities by authenticating to the web-based management interface and sending crafted requests to an affected device. A successful exploit could allow the attacker to execute arbitrary code with elevated privileges. Note: The web-based management interface is enabled by default.

The weakness was released 10/16/2019 as cisco-sa-20191016-spa-rce as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2019-15248 since 08/20/2019. The attack needs to be initiated within the local network. A single authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-143783, VDB-143784, VDB-143785 and VDB-143786. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Cisco

Name

• SPA100 ATA

License

• commercial

Website

• Vendor: https://www.cisco.com/

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion