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AUSCERT External Security Bulletin Redistribution
ESB-2021.2329
USN-5007-1: libuv vulnerability
8 July 2021
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AusCERT Security Bulletin Summary
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Product: libuv
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-22918
Reference: ESB-2021.2315
Original Bulletin:
https://ubuntu.com/security/notices/USN-5007-1
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USN-5007-1: libuv vulnerability
07 July 2021
libuv could be made to crash or expose sensitive information if it
received a specially crafted input.
Releases
o Ubuntu 21.04
o Ubuntu 20.10
o Ubuntu 20.04 LTS
Packages
o libuv1 - asynchronous event notification library - runtime library
Details
Eric Sesterhenn discovered that libuv incorrectly handled certain strings.
An attacker could possibly use this issue to access sensitive information
or cause a crash.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 21.04
o libuv1 - 1.40.0-1ubuntu0.1
Ubuntu 20.10
o libuv1 - 1.38.0-2ubuntu2.1
Ubuntu 20.04
o libuv1 - 1.34.2-1ubuntu1.3
In general, a standard system update will make all the necessary changes.
References
o CVE-2021-22918
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