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AUSCERT External Security Bulletin Redistribution
ESB-2020.2560
USN-4437-1: libslirp vulnerability
28 July 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: libslirp
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-10756
Reference: ESB-2020.2544
ESB-2020.2448
Original Bulletin:
https://usn.ubuntu.com/4437-1/
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USN-4437-1: libslirp vulnerability
27 July 2020
libslirp could be made to crash if it received specially crafted network
traffic.
Releases
o Ubuntu 20.04 LTS
Packages
o libslirp - None
Details
Ziming Zhang and VictorV discovered that libslirp incorrectly handled
replying to certain ICMP echo requests. A remote attacker could possibly
use this issue to cause libslirp to crash, resulting in a denial of
service.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o libslirp0 - 4.1.0-2ubuntu2.1
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
o CVE-2020-10756
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