CVE-2018-0103 Memory corruption in Cisco WebEx Network Recording Player

High 7.8 Published Updated

A buffer overflow in Cisco WebEx Network Recording Player allows attackers to execute arbitrary code via malicious ARF files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2018-0103?

CVE-2018-0103 is a high-severity memory corruption vulnerability in Cisco Webex Meetings, published on 4 Jan 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A Buffer Overflow vulnerability in Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) files could allow a local attacker to execute arbitrary code on the system of a user. The attacker could exploit this vulnerability by sending the user a link or email attachment with a malicious ARF file and persuading the user to follow the link or launch the file. Successful exploitation could allow the attacker to execute arbitrary code on the user's system. This vulnerability affects Cisco WebEx Business Suite meeting sites, Cisco WebEx Meetings sites, Cisco WebEx Meetings Server, and Cisco WebEx ARF players. Cisco Bug IDs: CSCvg78835, CSCvg78837, CSCvg78839.

Weakness: CWE-119

Which versions are affected by CVE-2018-0103?

It affects 4 products.

Products include Cisco Webex Business Suite, Cisco Webex Meetings, Cisco Webex Meetings Server, Cisco Webex Network Recording Player.

How do I fix CVE-2018-0103?

No fix has been published for CVE-2018-0103 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-0103 being exploited?

There is no known exploitation of CVE-2018-0103 in the wild and no public exploit code.

All Cisco Webex Meetings vulnerabilities

Sources

Also known as GHSA-xjqv-vp4w-g4g9.

Is CVE-2018-0103 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free