Summary
It was discovered that usbredir incorrectly handled memory when
serializing large amounts of data in the case of a slow or blocked
destination. An attacker could possibly use this issue to cause
applications using usbredir to crash, resulting in a denial of
service, or possibly execute arbitrary code.
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 18.04 LTS 18.04:LTS | usbredir | 0.7.1-1ubuntu0.18.04.1 |
| Ubuntu · 20.04 LTS 20.04:LTS | usbredir | 0.8.0-1ubuntu0.1 |
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | usbredir | 0.6-2ubuntu1.1+esm1 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | usbredir | 0.7.1-1ubuntu0.16.04.1~esm1 |
Vulnerabilities 1
-
Unscored —
A use-after-free vulnerability was found in usbredir in versions prior to 0.11.0 in the usbredirparser_serialize() in u…
References
-
report
https://ubuntu.com/security/CVE-2021-3700