CVE-2018-1000001
High
Description
In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before the destination buffer leading to a buffer underflow and potential code execution.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Gnu Glibc
PublishedJan 31, 2018
First seenJan 31, 2018
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gnu glibc | v ≤ 2.26 | — |
| canonical ubuntu_linux | 12.04, 14.04, 16.04, 17.10 | — |
| redhat virtualization_host | 4.0 | — |
| redhat enterprise_linux_desktop | 7.0 | — |
| redhat enterprise_linux_server | 7.0 | — |
| redhat enterprise_linux_server_aus | 7.6 | — |
| redhat enterprise_linux_server_eus | 7.6 | — |
| redhat enterprise_linux_server_tus | 7.6 | — |
| redhat enterprise_linux_workstation | 7.0 | — |
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