ghostscript: CVE-2019-14869

A flaw was found in all versions of ghostscript 9.x before 9.28,
where the `.charkeys` procedure, where it 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 within the Ghostscript
and access files outside of restricted areas or execute commands.

References:
https://nvd.nist.gov/vuln/detail/CVE-2019-14869

Upstream patches:
https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=485904

(From OE-Core rev: 0bb88ac63b4e1728373c6425477a32f7a6362b2c)

(From OE-Core rev: 9827b7df6f008f4384bbe22beeb0fe6adfeb36d6)

Signed-off-by: Stefan Ghinea <stefan.ghinea@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/meta/recipes-extended/ghostscript/ghostscript_9.27.bb b/meta/recipes-extended/ghostscript/ghostscript_9.27.bb
index 9e1f3e2f49..32f938f254 100644
--- a/meta/recipes-extended/ghostscript/ghostscript_9.27.bb
+++ b/meta/recipes-extended/ghostscript/ghostscript_9.27.bb
@@ -28,6 +28,7 @@ SRC_URI_BASE = "https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/d
                 file://CVE-2019-14811-0001.patch \
                 file://CVE-2019-14817-0001.patch \
                 file://CVE-2019-14817-0002.patch \
+                file://CVE-2019-14869-0001.patch \
 "
 
 SRC_URI = "${SRC_URI_BASE} \