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ubuntucveUbuntu.comUB:CVE-2023-45853
HistoryOct 14, 2023 - 12:00 a.m.

CVE-2023-45853

2023-10-1400:00:00
ubuntu.com
ubuntu.com
243
cve-2023-45853; minizip; zlib; integer overflow; heap-based buffer overflow; long filename; comment; extra field; pyminizip; debian; rsync; xenial+; unix

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

46.8%

MiniZip in zlib through 1.3 has an integer overflow and resultant
heap-based buffer overflow in zipOpenNewFileInZip4_64 via a long filename,
comment, or extra field. NOTE: MiniZip is not a supported part of the zlib
product. NOTE: pyminizip through 0.2.6 is also vulnerable because it
bundles an affected zlib version, and exposes the applicable MiniZip code
through its compress API.

Bugs

Notes

Author Note
mdeslaur since 3.2.0-1, rsync builds with the system zlib contrib/minizip is no longer built in zlib in xenial+
OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchzlib< anyUNKNOWN

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

46.8%