Vulnerability · Published Aug 13, 2021 · Assigned by talos

CVE-2021-21813

High 7.8

In plain English

A high-severity security flaw in AT&T. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).

Severity (CVSS 3.0)7.8High
Exploit odds (30 days)0.3%top 73.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Within the function HandleFileArg the argument filepattern is under control of the user who passes it in from the command line. filepattern is passed directly to memcpy copying the path provided by the user into a staticly sized buffer without any length checks resulting in a stack-buffer overflow.

Affected products (as reported)

VendorProductVersions
n/a AT&T AT&T Labs Xmill 0.7

References