Medium severity · published Oct 26, 2018
CVE-2018-18662
There is an out-of-bounds read in fz_run_t3_glyph in fitz/font.c in Artifex MuPDF 1.14.0, as demonstrated by mutool
5.5
CVSS
1.6%
EPSS
No
On KEV
Description
There is an out-of-bounds read in fz_run_t3_glyph in fitz/font.c in Artifex MuPDF 1.14.0, as demonstrated by mutool.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MU
Mupdf · Artifex
1.14.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-18662
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-18662
Third Party Advisory
http://www.securityfocus.com/bid/105755
Exploit
https://bugs.ghostscript.com/show_bug.cgi?id=700043
cgit.ghostscript.com
https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=164ddc22ee0d5b63a81d5148f44c37dd132a9356
Exploit
https://github.com/TeamSeri0us/pocs/tree/master/mupdf
lists.debian.org
https://lists.debian.org/debian-lts-announce/2020/07/msg00019.html
More from Mupdf
9.8
CVE-2019-7321
Usage of an uninitialized variable in the function fz_load_jpeg in Artifex MuPDF 1.14 can result in a heap overflow vulnerability that allows an attacker to execute arbitrary code
9.8
CVE-2016-6525
Heap-based buffer overflow in the pdf_load_mesh_params function in pdf/pdf-shade.c in MuPDF allows remote attackers to cause a denial of service (crash) or execute arbitrary code…
7.8
CVE-2020-16600
A Use After Free vulnerability exists in Artifex Software, Inc
7.8
CVE-2012-5340
SumatraPDF 2.1.1/MuPDF 1.0 allows remote attackers to cause an Integer Overflow in the lex_number() function via a corrupt PDF file
7.8
CVE-2019-13290
Artifex MuPDF 1.15.0 has a heap-based buffer overflow in fz_append_display_node located at fitz/list-device.c, allowing remote attackers to execute arbitrary code via a crafted…