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AUSCERT External Security Bulletin Redistribution
ESB-2020.3416
USN-4558-1: libapreq2 vulnerabilities
1 October 2020
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AusCERT Security Bulletin Summary
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Product: libapreq2
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-12412
Reference: ESB-2019.3733
ESB-2019.3723
Original Bulletin:
https://usn.ubuntu.com/4558-1/
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USN-4558-1: libapreq2 vulnerabilities
30 September 2020
libapreq2 could be made to crash if it received specially crafted network
traffic.
Releases
o Ubuntu 18.04 LTS
Packages
o libapreq2 - a safe, standards-compliant, high-performance library used for
parsing HTTP cookies, query-strings and POST data
Details
It was discovered that libapreq2 did not properly sanitize the Content-Type
field in certain, crafted HTTP requests. An attacker could use this
vulnerability to cause libapreq2 to crash.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 18.04
o libapache2-mod-apreq2 - 2.13-7~deb10u1build0.18.04.1
o libapache2-request-perl - 2.13-7~deb10u1build0.18.04.1
o libapreq2-3 - 2.13-7~deb10u1build0.18.04.1
o libapreq2-dev - 2.13-7~deb10u1build0.18.04.1
In general, a standard system update will make all the necessary changes.
References
o CVE-2019-12412
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