All errata/p10/ALT-PU-2025-13581-3
ALT-PU-2025-13581-3

Package update dpkg in branch p10

Version1.21.22-alt4
Published2025-10-31
Max severityHIGH
Severity:

Closed issues (2)

BDU:2025-11256
HIGH8.2

Уязвимость менеджера пакетов Dpkg, связанная с небезопасными временными файлами, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2025-09-17Modified: 2026-03-04
CVSS 3.xHIGH 8.2
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CVSS 2.0HIGH 8.5
CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:P/A:N
References
CVE-2025-6297
HIGH8.2

It was discovered that dpkg-deb does not properly sanitize directory permissions when extracting a control member into a temporary directory, which is documented as being a safe operation even on untrusted data. This may result in leaving temporary files behind on cleanup. Given automated and repeated execution of dpkg-deb commands on adversarial .deb packages or with well compressible files, placed inside a directory with permissions not allowing removal by a non-root user, this can end up in a DoS scenario due to causing disk quota exhaustion or disk full conditions.

Published: 2025-07-01Modified: 2025-08-19
CVSS 3.xHIGH 8.2
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Closed bugs (1)

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