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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

CVSS2

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

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

AI Score

7.5

Confidence

Low

EPSS

0.002

Percentile

57.7%

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