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UbuntuUSN-6629-2

HistoryFeb 14, 2024 - 12:00 a.m.

UltraJSON vulnerability

2024-02-1400:00:00

ubuntu.com

ultrajson

ubuntu

python 3

cve-2021-45958

cve-2022-31116

cve-2022-31117

denial of service

memory corruption

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 High

AI Score

Confidence

Low

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.002 Low

EPSS

Percentile

57.3%

JSON

Releases

Ubuntu 20.04 LTS

Packages

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)

OSVersionArchitecturePackageVersionFilename
Ubuntu20.04noarchpython3-ujson< 1.35-4ubuntu0.1UNKNOWN
Ubuntu20.04noarchpython3-ujson-dbg< 1.35-4ubuntu0.1UNKNOWN