CVE-2026-49134
CodexBar prior to 0.32.0 contains a privilege escalation vulnerability in the CLI installer that allows local attackers to execute arbitrary commands as root by exploiting a race condition in temporary file handling. The installer creates a temporary file with mktemp, writes a privileged shell payload into it, and executes it with administrator privileges via bash, allowing a same-user local process to rewrite the installer body before the administrator prompt is approved, causing attacker-controlled commands to run as root.
Słabość
CodexBar prior to 0.32.0 contains a privilege escalation vulnerability in the CLI installer that allows local attackers to execute arbitrary commands as root by exploiting a race condition in temporary file handling. The installer creates a temporary file with mktemp, writes a privileged shell payload into it, and executes it with administrator privileges via bash, allowing a same-user local process to rewrite the installer body before the administrator prompt is approved, causing attacker-controlled commands to run as root.
Źródła
- https://github.com/steipete/CodexBar/commit/dbc944d46cd4cf7877d1ca47c44556fe573b46e8
- https://github.com/steipete/CodexBar/pull/1222
- https://github.com/steipete/CodexBar/releases/tag/v0.32.0
- https://www.vulncheck.com/advisories/codexbar-privilege-escalation-via-cli-installer-temp-file
- https://github.com/steipete/CodexBar/pull/1222
Znajdź błąd, zanim zrobi to atakujący.
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