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AUSCERT External Security Bulletin Redistribution
ESB-2024.1003
USN-6629-3: UltraJSON vulnerabilities
16 February 2024
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AusCERT Security Bulletin Summary
---------------------------------
Product: UltraJSON
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2022-31117 CVE-2022-31116 CVE-2021-45958
Original Bulletin:
https://ubuntu.com/security/notices/USN-6629-3
Comment: CVSS (Max): 7.5 CVE-2022-31116 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVSS Source: Ubuntu
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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USN-6629-3: UltraJSON vulnerabilities
14 February 2024
Several security issues were fixed in UltraJSON.
Releases
o Ubuntu 20.04 LTS
Packages
o ujson - ultra fast JSON encoder and decoder for Python 3
Details
USN-6629-1 fixed vulnerabilities in UltraJSON.
This update provides the corresponding updates for Ubuntu 20.04 LTS.
Original advisory details:
It was discovered that UltraJSON incorrectly handled certain input with
a large amount of indentation. An attacker could possibly use this issue
to crash the program, resulting in a denial of service. ( CVE-2021-45958 )
Jake Miller discovered that UltraJSON incorrectly decoded certain
characters. An attacker could possibly use this issue to cause key
confusion and overwrite values in dictionaries. ( CVE-2022-31116 )
It was discovered that UltraJSON incorrectly handled an error when
reallocating a buffer for string decoding. An attacker could possibly
use this issue to corrupt memory. ( CVE-2022-31117 )
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o python3-ujson - 1.35-4ubuntu0.1+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
o CVE-2022-31117
o CVE-2022-31116
Related notices
o USN-6629-1 : python-ujson, python3-ujson, ujson
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