Date: Wed, 12 Apr 2023 09:55:44 -0700 From: Alan Coopersmith <alan.coopersmith@...cle.com> To: oss-security@...ts.openwall.com Subject: Ghostscript CVE-2023-28879: "Shell in the Ghost" I haven't seen mail to the list about this yet, so FYI for those who haven't seen it via other channels. https://artifex.com/news/critical-security-vulnerability-fixed-in-ghostscript says: > Artifex is pleased to announce that our team of developers have > successfully addressed and fixed a critical security vulnerability in > Artifex Ghostscript, version 10.01.0. A CVE (Common Vulnerabilities > and Exposures) identifier has been assigned to the issue, > https://nvd.nist.gov/vuln/detail/CVE-2023-28879. > > On March 23, 2023, a security researcher, Hadrien Perrineau, reported > the buffer overflow and exploit, on March 24 Artifex fixed the overflow > and removed other related code reducing the attack surface. Fixes were > published here: > > https://git.ghostscript.com/?p=ghostpdl.git;h=37ed5022cecd584de868933b5b60da2e995b3179 > > https://git.ghostscript.com/?p=ghostpdl.git;h=37ed5022cecd584de868933b5b60da2e995b3179 > > A release, Ghostscript and GhostPDL 10.01.1, was published on March 27. > An email alert was sent out to all Artifex customers on March 27 > notifying them of the bug and the fix. Artifex worked with customers to > integrate the solution into their products as quickly as possible. > On April 7 the bug was made public. > > Users of Ghostscript are urged to update their software to the latest > version immediately. By doing so, they will be able to mitigate the risk > associated with this vulnerability and ensure the security and integrity > of their systems. A report from those who found the bug, including their POC, was published yesterday: https://offsec.almond.consulting/ghostscript-cve-2023-28879.html -- -Alan Coopersmith- alan.coopersmith@...cle.com Oracle Solaris Engineering - https://blogs.oracle.com/solaris
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