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Ubuntu 20.04 LTS USN-6629-3: ujson Critical Denial of Service Warning

ubuntu
Calendar Grey February 15, 2024
Dist Ubuntu Esm H88
The patched issues within libxml2 in Ubuntu 20.04 LTS highlighted in USN-6629-3 greatly enhance system security.
Several security issues were fixed in UltraJSON.

Summary

Several security issues were fixed in UltraJSON.

Software Description:

- 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)

Topics%20covered

Topics Covered

security advisory denial of service memory corruption Ubuntu fix python ujson

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS (Available with Ubuntu Pro):
   python3-ujson                   1.35-4ubuntu0.1+esm1

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6629-3

https://ubuntu.com/security/notices/USN-6629-1

CVE-2022-31116, CVE-2022-31117

Severity
critical
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Low
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Critical

Ubuntu Security Notice USN-6629-3

Topics%20covered

Topics Covered

security advisory denial of service memory corruption Ubuntu fix python ujson

Package Information

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