CVE-2019-9924
HIGHCVSS 7.8/10EPSS 0.41%
Last modified
CVE-2019-9924 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. rbash in Bash before 4.4-beta2 did not prevent the shell user from modifying BASH_CMDS, thus allowing the user to execute any command with the permissions of the shell.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.
Description
rbash in Bash before 4.4-beta2 did not prevent the shell user from modifying BASH_CMDS, thus allowing the user to execute any command with the permissions of the shell.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Gnu | Bash | < 4.4 | — |
| Gnu | Bash | 4.4 | Beta1 |
| Debian | Debian Linux | 8.0 | — |
| Opensuse | Leap | 42.3 | — |
| Netapp | Hci Management Node | All versions | — |
| Netapp | Solidfire | All versions | — |
| Canonical | Ubuntu Linux | 12.04 | — |
| Canonical | Ubuntu Linux | 14.04 | — |
| Canonical | Ubuntu Linux | 16.04 | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00049.htmlMailing List, Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/bash/+bug/1803441Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00028.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190411-0001/Third Party Advisory
- https://usn.ubuntu.com/4058-1/Third Party Advisory
- https://usn.ubuntu.com/4058-2/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00049.htmlMailing List, Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/bash/+bug/1803441Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00028.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190411-0001/Third Party Advisory
- https://usn.ubuntu.com/4058-1/Third Party Advisory
- https://usn.ubuntu.com/4058-2/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-9924?
rbash in Bash before 4.4-beta2 did not prevent the shell user from modifying BASH_CMDS, thus allowing the user to execute any command with the permissions of the shell.
How severe is CVE-2019-9924?
CVE-2019-9924 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.
How do I fix CVE-2019-9924?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-9924?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST