| عنوان | Local Privilege Escalation in polkit's pkexec |
|---|
| الوصف | CVE-2021-4034
Local Privilege Escalation (from any user to root) in polkit's pkexec, a SUID-root program that is installed by default on every major Linux distribution
PoC:
https://haxx.in/files/blasty-vs-pkexec.c
Countermeasure:
If no patches are available for your operating system, you can remove the SUID-bit from pkexec as a temporary mitigation; for example:
# chmod 0755 /usr/bin/pkexec
|
|---|
| المصدر | ⚠️ https://www.qualys.com/2022/01/25/cve-2021-4034/pwnkit.txt |
|---|
| المستخدم | misc (UID 3) |
|---|
| ارسال | 26/01/2022 07:12 AM (5 سنوات منذ) |
|---|
| الاعتدال | 26/01/2022 07:15 AM (3 minutes later) |
|---|
| الحالة | تمت الموافقة |
|---|
| إدخال VulDB | 191603 [polkit /usr/bin/pkexec تجاوز الصلاحيات] |
|---|
| النقاط | 19 |
|---|