CVE-2018-16511
published 2018-09-05CVE-2018-16511: An issue was discovered in Artifex Ghostscript before 9.24. A type confusion in "ztype" could be used by remote attackers able to supply crafted PostScript to…
PriorityP337high7.8CVSS 3.0
AVLACLPRNUIRSUCHIHAH
EPSS
1.94%
79.9th percentile
An issue was discovered in Artifex Ghostscript before 9.24. A type confusion in "ztype" could be used by remote attackers able to supply crafted PostScript to crash the interpreter or possibly have unspecified other impact.
Affected
17 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| artifex | ghostscript | < 9.24 | 9.24 |
| artifex | ghostscript | >= 0 < 9.22~dfsg-3 | 9.22~dfsg-3 |
| artifex | ghostscript | >= 0 < 9.22~dfsg-3 | 9.22~dfsg-3 |
| artifex | ghostscript | >= 0 < 9.22~dfsg-3 | 9.22~dfsg-3 |
| artifex | ghostscript | >= 0 < 9.22~dfsg-3 | 9.22~dfsg-3 |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | ghostscript | < ghostscript 9.22~dfsg-3 (bookworm) | ghostscript 9.22~dfsg-3 (bookworm) |
| redhat | enterprise_linux_desktop | — | — |
| redhat | enterprise_linux_server | — | — |
| redhat | enterprise_linux_server_aus | — | — |
| redhat | enterprise_linux_server_eus | — | — |
| redhat | enterprise_linux_server_tus | — | — |
| redhat | enterprise_linux_workstation | — | — |
CVSS provenance
nvdv3.07.8HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
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Ubuntu
Ghostscript vulnerabilities
vendor_ubuntu·2018-09-19
CVE-2018-11645 Ghostscript vulnerabilities
Title: Ghostscript vulnerabilities
Summary: Several security issues were fixed in Ghostscript.
Tavis Ormandy discovered multiple security issues in Ghostscript. If a user
or automated system were tricked into processing a specially crafted file,
a remote attacker could possibly use these issues to access arbitrary
files, execute arbitrary code, or cause a denial of service.
Instructions: In general, a standard system update will make all the necessary changes.
Red Hat
ghostscript: missing type check in type checker (699659)
vendor_redhat·2018-08-24·CVSS 7.8
CVE-2018-16511 [HIGH] CWE-704 ghostscript: missing type check in type checker (699659)
ghostscript: missing type check in type checker (699659)
An issue was discovered in Artifex Ghostscript before 9.24. A type confusion in "ztype" could be used by remote attackers able to supply crafted PostScript to crash the interpreter or possibly have unspecified other impact.
It was discovered that the ghostscript .type operator did not properly validate its operands. A specially crafted PostScript document could exploit this to crash ghostscript or, possibly, execute arbitrary code in the context of the ghostscript process.
Statement: This issue affects the versions of ghostscript as shipped with Red Hat Enterprise Linux 5, 6, and 7.
Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security i
Debian
CVE-2018-16511: ghostscript - An issue was discovered in Artifex Ghostscript before 9.24. A type confusion in ...
vendor_debian·2018·CVSS 7.8
CVE-2018-16511 [HIGH] CVE-2018-16511: ghostscript - An issue was discovered in Artifex Ghostscript before 9.24. A type confusion in ...
An issue was discovered in Artifex Ghostscript before 9.24. A type confusion in "ztype" could be used by remote attackers able to supply crafted PostScript to crash the interpreter or possibly have unspecified other impact.
Scope: local
bookworm: resolved (fixed in 9.22~dfsg-3)
bullseye: resolved (fixed in 9.22~dfsg-3)
forky: resolved (fixed in 9.22~dfsg-3)
sid: resolved (fixed in 9.22~dfsg-3)
trixie: resolved (fixed in 9.22~dfsg-3)
GHSA
GHSA-vxh8-pqmf-3m72: An issue was discovered in Artifex Ghostscript before 9
ghsa_unreviewed·2022-05-14
CVE-2018-16511 [HIGH] CWE-704 GHSA-vxh8-pqmf-3m72: An issue was discovered in Artifex Ghostscript before 9
An issue was discovered in Artifex Ghostscript before 9.24. A type confusion in "ztype" could be used by remote attackers able to supply crafted PostScript to crash the interpreter or possibly have unspecified other impact.
OSV
CVE-2018-16511: An issue was discovered in Artifex Ghostscript before 9
osv·2018-09-05·CVSS 7.8
CVE-2018-16511 [HIGH] CVE-2018-16511: An issue was discovered in Artifex Ghostscript before 9
An issue was discovered in Artifex Ghostscript before 9.24. A type confusion in "ztype" could be used by remote attackers able to supply crafted PostScript to crash the interpreter or possibly have unspecified other impact.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-16511 ghostscript: missing type check in type checker (699659) [fedora-all]
bugzilla·2018-09-13·CVSS 7.8
CVE-2018-16511 [HIGH] CVE-2018-16511 ghostscript: missing type check in type checker (699659) [fedora-all]
CVE-2018-16511 ghostscript: missing type check in type checker (699659) [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported v
Bugzilla
CVE-2018-16511 ghostscript: missing type check in type checker (699659)
bugzilla·2018-08-23·CVSS 7.8
CVE-2018-16511 [HIGH] CVE-2018-16511 ghostscript: missing type check in type checker (699659)
CVE-2018-16511 ghostscript: missing type check in type checker (699659)
It was discovered that the ghostscript type checker did not properly validate certain types. A specially crafted PostScript document could exploit this to crash ghostscript or, possibly, execute arbitrary code in the context of the ghostscript process.
Patch:
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=0edd3d6c
Discussion:
Mitigation:
Please see https://bugzilla.redhat.com/show_bug.cgi?id=1619748#c3
---
Upstream Patch:
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=0edd3d6c
---
Upstream bug report (still not public):
https://bugs.ghostscript.com/show_bug.cgi?id=699659
Correct upstream fix is noted in comment 5 rather than comment 0.
---
This has been public for a while, via both upstream
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=0edd3d6c634a577db261615a9dc2719bca7f6e01http://seclists.org/oss-sec/2018/q3/182https://access.redhat.com/errata/RHSA-2018:3650https://bugs.ghostscript.com/show_bug.cgi?id=699659https://lists.debian.org/debian-lts-announce/2018/09/msg00015.htmlhttps://security.gentoo.org/glsa/201811-12https://usn.ubuntu.com/3768-1/https://www.artifex.com/news/ghostscript-security-resolved/https://www.debian.org/security/2018/dsa-4288http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=0edd3d6c634a577db261615a9dc2719bca7f6e01http://seclists.org/oss-sec/2018/q3/182https://access.redhat.com/errata/RHSA-2018:3650https://bugs.ghostscript.com/show_bug.cgi?id=699659https://lists.debian.org/debian-lts-announce/2018/09/msg00015.htmlhttps://security.gentoo.org/glsa/201811-12https://usn.ubuntu.com/3768-1/https://www.artifex.com/news/ghostscript-security-resolved/https://www.debian.org/security/2018/dsa-4288
2018-09-05
Published