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Alpine Linux: CVE-2019-10216: ghostscript -dSAFER escape via .buildfont1

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Alpine Linux: CVE-2019-10216: ghostscript -dSAFER escape via .buildfont1

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
08/13/2019
Created
12/18/2019
Added
11/08/2019
Modified
01/09/2020

Description

In ghostscript before version 9.50, the .buildfont1 procedure did not properly secure its privileged calls, enabling scripts to bypass `-dSAFER` restrictions. An attacker could abuse this flaw by creating a specially crafted PostScript file that could escalate privileges and access files outside of restricted areas.

Solution(s)

  • alpine-linux-upgrade-ghostscript

References

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