From: Thomas Petazzoni via buildroot <buildroot@buildroot.org>
To: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Cc: Angelo Compagnucci <angelo.compagnucci@gmail.com>,
Olivier Schonken <olivier.schonken@gmail.com>,
buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH 1/1] package/cups-filters: fix CVE-2023-24805
Date: Sat, 4 Nov 2023 21:16:49 +0100 [thread overview]
Message-ID: <20231104211649.6e10a0ef@windsurf> (raw)
In-Reply-To: <20231001191522.1799946-1-fontaine.fabrice@gmail.com>
On Sun, 1 Oct 2023 21:15:22 +0200
Fabrice Fontaine <fontaine.fabrice@gmail.com> wrote:
> Fix CVE-2023-24805: 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.
>
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
> ---
> ...ecv-instead-of-system-CVE-2023-24805.patch | 208 ++++++++++++++++++
> package/cups-filters/cups-filters.mk | 3 +
> 2 files changed, 211 insertions(+)
> create mode 100644 package/cups-filters/0001-beh-backend-Use-execv-instead-of-system-CVE-2023-24805.patch
Applied to master, thanks.
Thomas
--
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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next prev parent reply other threads:[~2023-11-04 20:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-01 19:15 [Buildroot] [PATCH 1/1] package/cups-filters: fix CVE-2023-24805 Fabrice Fontaine
2023-11-04 20:16 ` Thomas Petazzoni via buildroot [this message]
2023-11-09 11:17 ` Peter Korsgaard
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