Описание
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().
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().
Ссылки
- https://nvd.nist.gov/vuln/detail/CVE-2019-20044
- https://github.com/XMB5/zsh-privileged-upgrade
- https://lists.debian.org/debian-lts-announce/2020/03/msg00004.html
- https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FP64FFIZI2CKQOEAOI5A72PVQULE7ZZC
- https://lists.fedoraproject.org/archives/list/package-announce@lists.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://support.apple.com/kb/HT211168
- https://support.apple.com/kb/HT211170
- https://support.apple.com/kb/HT211171
- https://support.apple.com/kb/HT211175
- https://www.zsh.org/mla/zsh-announce/141
- 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
- http://zsh.sourceforge.net/releases.html
Связанные уязвимости
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().
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().
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().
In Zsh before 5.8, attackers able to execute commands can regain privi ...