All errata/sisyphus/ALT-PU-2023-5990-3
ALT-PU-2023-5990-3

Package update cups in branch sisyphus

Version2.4.7-alt1
Task#330606
Published2026-02-04
Max severityHIGH
Severity:

Closed issues (6)

BDU:2023-03719
HIGH7.1

Уязвимость функции httpClose(con->http) сервера печати CUPS, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2023-07-17Modified: 2025-03-19
CVSS 3.xHIGH 7.1
CVSS:3.x/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVSS 2.0MEDIUM 6.2
CVSS:2.0/AV:L/AC:L/Au:S/C:C/I:N/A:C
References
BDU:2023-03873
HIGH7.5

Уязвимость функции format_log_line() сервера печати CUPS, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2023-07-20Modified: 2026-03-04
CVSS 3.xHIGH 7.5
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0HIGH 7.8
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C
References
BDU:2023-06408
HIGH7.8

Уязвимость функции scan_ps() библиотеки libppd сервера печати CUPS, позволяющая нарушителю повысить свои привилегии и выполнить произвольный код

Published: 2023-10-09Modified: 2025-01-29
CVSS 3.xHIGH 7.8
CVSS:3.x/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0HIGH 7.2
CVSS:2.0/AV:L/AC:L/Au:N/C:C/I:C/A:C
References
CVE-2023-32324
MEDIUM5.5

OpenPrinting CUPS is an open source printing system. In versions 2.4.2 and prior, a heap buffer overflow vulnerability would allow a remote attacker to launch a denial of service (DoS) attack. A buffer overflow vulnerability in the function `format_log_line` could allow remote attackers to cause a DoS on the affected system. Exploitation of the vulnerability can be triggered when the configuration file `cupsd.conf` sets the value of `loglevel `to `DEBUG`. No known patches or workarounds exist at time of publication.

Published: 2023-06-01Modified: 2024-11-21
CVSS 3.xMEDIUM 5.5
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
CVE-2023-34241
HIGH7.1

OpenPrinting CUPS is a standards-based, open source printing system for Linux and other Unix-like operating systems. Starting in version 2.0.0 and prior to version 2.4.6, CUPS logs data of free memory to the logging service AFTER the connection has been closed, when it should have logged the data right before. This is a use-after-free bug that impacts the entire cupsd process. The exact cause of this issue is the function `httpClose(con->http)` being called in `scheduler/client.c`. The problem is that httpClose always, provided its argument is not null, frees the pointer at the end of the call, only for cupsdLogClient to pass the pointer to httpGetHostname. This issue happens in function `cupsdAcceptClient` if LogLevel is warn or higher and in two scenarios: there is a double-lookup for the IP Address (HostNameLookups Double is set in `cupsd.conf`) which fails to resolve, or if CUPS is compiled with TCP wrappers and the connection is refused by rules from `/etc/hosts.allow` and `/etc/hosts.deny`. Version 2.4.6 has a patch for this issue.

Published: 2023-06-22Modified: 2024-11-21
CVSS 3.xHIGH 7.1
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
References
CVE-2023-4504
HIGH7.0

Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution. This issue has been fixed in CUPS version 2.4.7, released in September of 2023.

Published: 2023-09-21Modified: 2025-11-04
CVSS 3.xHIGH 7.0
CVSS:3.x/CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
References