SB2020082616 - Multiple vulnerabilities in Ghostscript
Published: August 26, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 25 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2020-16287)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PDF file.
2) Input validation error (CVE-ID: CVE-2020-16301)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PDF file.
3) Input validation error (CVE-ID: CVE-2020-17538)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in GetNumSameData() and GetNumWrongData() function. A remote attacker can cause a denial of service via a crafted PDF file.
4) Input validation error (CVE-ID: CVE-2020-16310)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in gdevdm24.c. A remote attacker can cause a denial of service via a crafted PDF file.
5) Input validation error (CVE-ID: CVE-2020-16309)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in gdevlxm.c. A remote attacker can cause a denial of service via a crafted eps file.
6) Input validation error (CVE-ID: CVE-2020-16308)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in devices/gdevcdj.c. A remote attacker can cause a denial of service via a crafted PDF file.
7) Input validation error (CVE-ID: CVE-2020-16307)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in devices/vector/gdevtxtw.c. A remote attacker can cause a denial of service via a crafted postscript file.
8) Input validation error (CVE-ID: CVE-2020-16306)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in devices/gdevtsep.c. A remote attacker can cause a denial of service via a crafted postscript file.
9) Input validation error (CVE-ID: CVE-2020-16305)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in devices/gdevpcx.c. A remote attacker can cause a denial of service via a crafted PDF file.
10) Out-of-bounds write (CVE-ID: CVE-2020-16304)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
A buffer overflow vulnerability in image_render_color_thresh() in base/gxicolor.c of Artifex Software GhostScript v9.50 allows a remote attacker to execute arbitrary code on the system via a crafted eps file.
11) Use-after-free (CVE-ID: CVE-2020-16303)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing a crafted PDF file in devices/vector/gdevxps.c. A remote attacker can trick the victim to open a specially crafted PDF file, trigger a use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
12) Buffer overflow (CVE-ID: CVE-2020-16302)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
A buffer overflow vulnerability exists in jetp3852_print_page() in devices/gdev3852.c of Artifex Software GhostScript. A remote attacker can trick the victim to open a specially crafted PDF file, trigger memory corruption and execute arbitrary code on the system.
13) Input validation error (CVE-ID: CVE-2020-16300)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in devices/gdevtfnx.c. A remote attacker can cause a denial of service via a crafted PDF file.
14) Input validation error (CVE-ID: CVE-2020-16288)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PDF file.
15) Input validation error (CVE-ID: CVE-2020-16299)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PDF file.
16) Input validation error (CVE-ID: CVE-2020-16298)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PDF file.
17) Input validation error (CVE-ID: CVE-2020-16297)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PDF file.
18) Input validation error (CVE-ID: CVE-2020-16296)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PDF file.
19) Input validation error (CVE-ID: CVE-2020-16295)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PDF file.
20) Input validation error (CVE-ID: CVE-2020-16294)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PDF file.
21) Input validation error (CVE-ID: CVE-2020-16293)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PDF file.
22) Input validation error (CVE-ID: CVE-2020-16292)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PDF file.
23) Input validation error (CVE-ID: CVE-2020-16291)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PDF file.
24) Input validation error (CVE-ID: CVE-2020-16290)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PDF file.
25) Input validation error (CVE-ID: CVE-2020-16289)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PDF file.
Remediation
Install update from vendor's website.
References
- https://bugs.ghostscript.com/show_bug.cgi?id=701785
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=450da26a76286a8342ec0864b3d113856709f8f6
- https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html
- https://bugs.ghostscript.com/show_bug.cgi?id=701808
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=f54414c8b15b2c27d1dcadd92cfe84f6d15f18dc
- https://bugs.ghostscript.com/show_bug.cgi?id=701792
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=9f39ed4a92578a020ae10459643e1fe72573d134
- https://bugs.ghostscript.com/show_bug.cgi?id=701828
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=eaba1d97b62831b42c51840cc8ee2bc4576c942e
- https://bugs.ghostscript.com/show_bug.cgi?id=701827
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=a6f7464dddc689386668a38b92dfd03cc1b38a10
- https://bugs.ghostscript.com/show_bug.cgi?id=701829
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=af004276fd8f6c305727183c159b83021020f7d6
- http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=407c98a38c3a6ac1681144ed45cc2f4fc374c91f
- https://bugs.ghostscript.com/show_bug.cgi?id=701822
- http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=aadb53eb834b3def3ef68d78865ff87a68901804
- https://bugs.ghostscript.com/show_bug.cgi?id=701821
- https://bugs.ghostscript.com/show_bug.cgi?id=701819
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=2793769ff107d8d22dadd30c6e68cd781b569550
- http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=027c546e0dd11e0526f1780a7f3c2c66acffe209
- https://bugs.ghostscript.com/show_bug.cgi?id=701816
- https://bugs.ghostscript.com/show_bug.cgi?id=701818
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=94d8955cb77
- https://bugs.ghostscript.com/show_bug.cgi?id=701815
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=366ad48d076c1aa4c8f83c65011258a04e348207
- https://bugs.ghostscript.com/show_bug.cgi?id=701807
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=714e8995cd582d418276915cbbec3c70711fb19e
- http://git.ghostscript.com/?p=ghostpdl.git;h=aba3375ac24f8e02659d9b1eb9093909618cdb9f
- https://bugs.ghostscript.com/show_bug.cgi?id=701791
- https://bugs.ghostscript.com/show_bug.cgi?id=701801
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=19cebe708b9ee3d9e0f8bcdd79dbc6ef9ddc70d2
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=4fcbece46870
- https://bugs.ghostscript.com/show_bug.cgi?id=701799
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=849e74e5ab450dd581942192da7101e0664fa5af
- https://bugs.ghostscript.com/show_bug.cgi?id=701800
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=bf72f1a3dd5392ee8291e3b1518a0c2c5dc6ba39
- http://git.ghostscript.com/?p=ghostpdl.git;h=2c2dc335c212750e0fb8ae157063bc06cafa8d3e
- https://bugs.ghostscript.com/show_bug.cgi?id=701796
- https://bugs.ghostscript.com/show_bug.cgi?id=701794
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=89f58f1aa95b3482cadf6977da49457194ee5358
- https://bugs.ghostscript.com/show_bug.cgi?id=701795
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=7870f4951bcc6a153f317e3439e14d0e929fd231
- https://bugs.ghostscript.com/show_bug.cgi?id=701793
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=863ada11f9a942a622a581312e2be022d9e2a6f7
- http://git.ghostscript.com/?p=ghostpdl.git;h=4f73e8b4d578e69a17f452fa60d2130c5faaefd6
- https://bugs.ghostscript.com/show_bug.cgi?id=701787
- http://git.ghostscript.com/?p=ghostpdl.git;h=93cb0c0adbd9bcfefd021d59c472388f67d3300d
- https://bugs.ghostscript.com/show_bug.cgi?id=701786
- https://bugs.ghostscript.com/show_bug.cgi?id=701788
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=d31e25ed5b130499e0d880e4609b1b4824699768