CVE-2018-1083
28.03.2018, 13:29
Zsh before version 5.4.2-test-1 is vulnerable to a buffer overflow in the shell autocomplete functionality. A local unprivileged user can create a specially crafted directory path which leads to code execution in the context of the user who tries to use autocomplete to traverse the before mentioned path. If the user affected is privileged, this leads to privilege escalation.
| Vendor | Product | Version |
|---|---|---|
| zsh | zsh | 𝑥 ≤ 5.4.1 |
| canonical | ubuntu_linux | 14.04 |
| canonical | ubuntu_linux | 16.04 |
| canonical | ubuntu_linux | 17.10 |
| debian | debian_linux | 7.0 |
| redhat | enterprise_linux_desktop | 6.0 |
| redhat | enterprise_linux_desktop | 7.0 |
| redhat | enterprise_linux_server | 6.0 |
| redhat | enterprise_linux_server | 7.0 |
| redhat | enterprise_linux_workstation | 6.0 |
| redhat | enterprise_linux_workstation | 7.0 |
𝑥
= Vulnerable software versions
Debian Releases
Ubuntu Releases
Common Weakness Enumeration
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.
- CWE-119 - Improper Restriction of Operations within the Bounds of a Memory BufferThe software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
References