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CVE-2023-24805

Publication date 17 May 2023

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

cups-filters contains backends, filters, and other software required to get the cups printing service working on operating systems other than macos. If you use the Backend Error Handler (beh) to create an accessible network printer, this security vulnerability can cause remote code execution. `beh.c` contains the line `retval = system(cmdline) >> 8;` which calls the `system` command with the operand `cmdline`. `cmdline` contains multiple user controlled, unsanitized values. As a result an attacker with network access to the hosted print server can exploit this vulnerability to inject system commands which are executed in the context of the running server. This issue has been addressed in commit `8f2740357` and is expected to be bundled in the next release. Users are advised to upgrade when possible and to restrict access to network printers in the meantime.

Status

Package Ubuntu Release Status
cups-filters 23.04 lunar
Fixed 2.0~rc1-0ubuntu1.2
22.10 kinetic
Fixed 1.28.16-1ubuntu0.2
22.04 LTS jammy
Fixed 1.28.15-0ubuntu1.2
20.04 LTS focal
Fixed 1.27.4-1ubuntu0.2
18.04 LTS bionic
Fixed 1.20.2-0ubuntu3.3
16.04 LTS xenial
14.04 LTS trusty Ignored end of standard support

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
cups-filters

Severity score breakdown

Parameter Value
Base score 8.8 · High
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-6083-1
    • cups-filters vulnerability
    • 17 May 2023
    • USN-6083-2
    • cups-filters vulnerability
    • 19 June 2023

Other references