SARA / Free Tools / CVE / CVE-2018-16863

CVE-2018-16863 — It was found that RHSA-2018:2918 did not fully fix CVE-2018-16509

It was found that RHSA-2018:2918 did not fully fix CVE-2018-16509. An attacker could possibly exploit another variant of the flaw and bypass the -dSAFER protection to, for example, execute arbitrary shell commands via a specially crafted PostScript document. This only affects gho

CVSS
7.3 HIGH
EPSS
0.08% (top 75.80%)
CWE
CWE-184
Published
2018-12-03T17:00:00.000Z
Last modified
2024-08-05T10:32:54.123Z
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

01What is this vulnerability?

It was found that RHSA-2018:2918 did not fully fix CVE-2018-16509. An attacker could possibly exploit another variant of the flaw and bypass the -dSAFER protection to, for example, execute arbitrary shell commands via a specially crafted PostScript document. This only affects ghostscript 9.07 as shipped with Red Hat Enterprise Linux 7.

02Affected products

VendorProductVersions
Artifexghostscript9.07

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

CVE-2018-16509
Cited in vendor advisory

08Timeline

09References

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