CVE-2017-18205
UnknownEPSS 2.12%
Last modified
CVE-2017-18205 is a vulnerability of currently unknown severity. In builtin.c in zsh before 5.4, when sh compatibility mode is used, there is a NULL pointer dereference during processing of the cd command with no argument if HOME is not set.. EPSS estimates a 2.12% chance of exploitation in the next 30 days.
Description
In builtin.c in zsh before 5.4, when sh compatibility mode is used, there is a NULL pointer dereference during processing of the cd command with no argument if HOME is not set.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zsh Project | Zsh | < 5.4 |
References
- https://sourceforge.net/p/zsh/code/ci/eb783754bdb74377f3cea4ceca9c23a02ea1bf58Patch, Third Party Advisory
- https://sourceforge.net/p/zsh/code/ci/eb783754bdb74377f3cea4ceca9c23a02ea1bf58Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-18205?
In builtin.c in zsh before 5.4, when sh compatibility mode is used, there is a NULL pointer dereference during processing of the cd command with no argument if HOME is not set.
How severe is CVE-2017-18205?
Severity scoring for CVE-2017-18205 is pending analysis. The EPSS model estimates a 2.12% probability of exploitation in the next 30 days.
How do I fix CVE-2017-18205?
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.
Are you affected by CVE-2017-18205?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST