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ubuntucveUbuntu.comUB:CVE-2022-48566
HistoryAug 22, 2023 - 12:00 a.m.

CVE-2022-48566

2023-08-2200:00:00
ubuntu.com
ubuntu.com
7
python
compare_digest
constant-time-defeating
hmac
unix

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.001

Percentile

23.7%

An issue was discovered in compare_digest in Lib/hmac.py in Python through
3.9.1. Constant-time-defeating optimisations were possible in the
accumulator variable in hmac.compare_digest.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchpython2.7< 2.7.17-1~18.04ubuntu1.13+esm2UNKNOWN
ubuntu20.04noarchpython2.7< anyUNKNOWN
ubuntu22.04noarchpython2.7< anyUNKNOWN
ubuntu14.04noarchpython2.7< anyUNKNOWN
ubuntu16.04noarchpython2.7< 2.7.12-1ubuntu0~16.04.18+esm7UNKNOWN
ubuntu14.04noarchpython3.4< anyUNKNOWN
ubuntu14.04noarchpython3.5< 3.5.2-2ubuntu0~16.04.4~14.04.1+esm1UNKNOWN
ubuntu16.04noarchpython3.5< 3.5.2-2ubuntu0~16.04.13+esm11UNKNOWN
ubuntu18.04noarchpython3.6< 3.6.9-1~18.04ubuntu1.13+esm2UNKNOWN
ubuntu18.04noarchpython3.7< 3.7.5-2ubuntu1~18.04.2+esm3UNKNOWN
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CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.001

Percentile

23.7%