7.8
CVE-2019-20044
- EPSS 0.5%
- Veröffentlicht 24.02.2020 14:15:11
- Zuletzt bearbeitet 21.11.2024 04:37:56
- Quelle cve@mitre.org
- CVE-Watchlists
- Unerledigt
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().
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Fedoraproject ≫ Fedora Version30
Fedoraproject ≫ Fedora Version31
Debian ≫ Debian Linux Version8.0
Debian ≫ Debian Linux Version9.0
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.5% | 0.385 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7.8 | 1.8 | 5.9 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 7.2 | 3.9 | 10 |
AV:L/AC:L/Au:N/C:C/I:C/A:C
|
CWE-273 Improper Check for Dropped Privileges
The product attempts to drop privileges but does not check or incorrectly checks to see if the drop succeeded.
https://support.apple.com/kb/HT211168
https://support.apple.com/kb/HT211170
https://support.apple.com/kb/HT211171
https://support.apple.com/kb/HT211175
http://zsh.sourceforge.net/releases.html
https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
http://seclists.org/fulldisclosure/2020/May/49
http://seclists.org/fulldisclosure/2020/May/53
http://seclists.org/fulldisclosure/2020/May/55
http://seclists.org/fulldisclosure/2020/May/59
https://github.com/XMB5/zsh-privileged-upgrade
https://lists.debian.org/debian-lts-announce/2020/03/msg00004.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FP64FFIZI2CKQOEAOI5A72PVQULE7ZZC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PN5V7MPHRRP7QNHOEK56S7QGRU53WUN6/
https://security.gentoo.org/glsa/202003-55
https://support.apple.com/HT211168
https://support.apple.com/HT211170
https://support.apple.com/HT211171
https://support.apple.com/HT211175
https://www.zsh.org/mla/zsh-announce/141