CVE-2019-20044
Zsh Escalation of Privilege Vulnerability
Description
In Zsh before 5.8, attackers able to execute commands can regain privileges dropped by the --no-PRIVILEGED option. Zsh fails to overwrite the saved uid, so the original privileges can be restored by executing MODULE_PATH=/dir/with/module zmodload with a module that calls setuid().
INFO
Published Date :
Feb. 24, 2020, 2:15 p.m.
Last Modified :
Nov. 7, 2023, 3:08 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2019-20044 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2019-20044
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-20044.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Shell Makefile M4 Vim Script Roff Perl C Awk sed
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-20044 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-20044 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FP64FFIZI2CKQOEAOI5A72PVQULE7ZZC/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PN5V7MPHRRP7QNHOEK56S7QGRU53WUN6/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/FP64FFIZI2CKQOEAOI5A72PVQULE7ZZC/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/PN5V7MPHRRP7QNHOEK56S7QGRU53WUN6/ -
CPE Deprecation Remap by [email protected]
Jan. 09, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* versions from (excluding) 13.5 OR *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions from (excluding) 13.5 -
Modified Analysis by [email protected]
Sep. 16, 2021
Action Type Old Value New Value Changed Reference Type http://seclists.org/fulldisclosure/2020/May/49 No Types Assigned http://seclists.org/fulldisclosure/2020/May/49 Mailing List, Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2020/May/53 No Types Assigned http://seclists.org/fulldisclosure/2020/May/53 Mailing List, Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2020/May/55 No Types Assigned http://seclists.org/fulldisclosure/2020/May/55 Mailing List, Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2020/May/59 No Types Assigned http://seclists.org/fulldisclosure/2020/May/59 Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/03/msg00004.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/03/msg00004.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/FP64FFIZI2CKQOEAOI5A72PVQULE7ZZC/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/FP64FFIZI2CKQOEAOI5A72PVQULE7ZZC/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/PN5V7MPHRRP7QNHOEK56S7QGRU53WUN6/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/PN5V7MPHRRP7QNHOEK56S7QGRU53WUN6/ Mailing List, Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202003-55 No Types Assigned https://security.gentoo.org/glsa/202003-55 Third Party Advisory Changed Reference Type https://support.apple.com/HT211168 No Types Assigned https://support.apple.com/HT211168 Third Party Advisory Changed Reference Type https://support.apple.com/HT211170 No Types Assigned https://support.apple.com/HT211170 Third Party Advisory Changed Reference Type https://support.apple.com/HT211171 No Types Assigned https://support.apple.com/HT211171 Third Party Advisory Changed Reference Type https://support.apple.com/HT211175 No Types Assigned https://support.apple.com/HT211175 Third Party Advisory Changed Reference Type https://support.apple.com/kb/HT211168 No Types Assigned https://support.apple.com/kb/HT211168 Third Party Advisory Changed Reference Type https://support.apple.com/kb/HT211170 No Types Assigned https://support.apple.com/kb/HT211170 Third Party Advisory Changed Reference Type https://support.apple.com/kb/HT211171 No Types Assigned https://support.apple.com/kb/HT211171 Third Party Advisory Changed Reference Type https://support.apple.com/kb/HT211175 No Types Assigned https://support.apple.com/kb/HT211175 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* versions up to (excluding) 13.5 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 13.5 *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions from (including) 10.13.0 up to (excluding) 10.13.6 *cpe:2.3:o:apple:mac_os_x:10.13.6:-:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-003:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-003:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-004:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-005:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-006:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-007:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions from (including) 10.14.0 up to (excluding) 10.14.6 *cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions from (including) 10.15 up to (excluding) 10.15.5 *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions up to (excluding) 10.15.5 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 13.4.5 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 6.2.5 -
CPE Deprecation Remap by [email protected]
Sep. 08, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:apple:mac_os:-:*:*:*:*:*:*:* OR *cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 01, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html [No Types Assigned] -
CVE Modified by [email protected]
Jun. 11, 2020
Action Type Old Value New Value Added Reference https://support.apple.com/HT211168 [No Types Assigned] Added Reference https://support.apple.com/HT211170 [No Types Assigned] Added Reference https://support.apple.com/HT211171 [No Types Assigned] Added Reference https://support.apple.com/HT211175 [No Types Assigned] -
CVE Modified by [email protected]
May. 29, 2020
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2020/May/59 [No Types Assigned] Added Reference http://seclists.org/fulldisclosure/2020/May/55 [No Types Assigned] Added Reference http://seclists.org/fulldisclosure/2020/May/53 [No Types Assigned] -
CVE Modified by [email protected]
May. 29, 2020
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2020/May/49 [No Types Assigned] -
CVE Modified by [email protected]
May. 27, 2020
Action Type Old Value New Value Added Reference https://support.apple.com/kb/HT211175 [No Types Assigned] Added Reference https://support.apple.com/kb/HT211170 [No Types Assigned] Added Reference https://support.apple.com/kb/HT211171 [No Types Assigned] Added Reference https://support.apple.com/kb/HT211168 [No Types Assigned] -
CVE Modified by [email protected]
Mar. 25, 2020
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202003-55 [No Types Assigned] -
CVE Modified by [email protected]
Mar. 13, 2020
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/PN5V7MPHRRP7QNHOEK56S7QGRU53WUN6/ [No Types Assigned] -
CVE Modified by [email protected]
Mar. 13, 2020
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/FP64FFIZI2CKQOEAOI5A72PVQULE7ZZC/ [No Types Assigned] -
CVE Modified by [email protected]
Mar. 03, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/03/msg00004.html [No Types Assigned] -
Reanalysis by [email protected]
Feb. 27, 2020
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:L/Au:S/C:C/I:C/A:C) Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) Removed CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H -
Initial Analysis by [email protected]
Feb. 26, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://zsh.sourceforge.net/releases.html No Types Assigned http://zsh.sourceforge.net/releases.html Release Notes, Third Party Advisory Changed Reference Type https://github.com/XMB5/zsh-privileged-upgrade No Types Assigned https://github.com/XMB5/zsh-privileged-upgrade Broken Link Changed Reference Type https://www.zsh.org/mla/zsh-announce/141 No Types Assigned https://www.zsh.org/mla/zsh-announce/141 Release Notes, Vendor Advisory Added CWE NIST CWE-273 Added CPE Configuration AND OR *cpe:2.3:a:zsh:zsh:*:*:*:*:*:*:*:* versions up to (excluding) 5.8 OR cpe:2.3:o:apple:mac_os:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-20044 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-20044
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.14042
percentile