CyberRota Analysis
AI-GeneratedA stack buffer overflow vulnerability exists in the PJLIB-UTIL telnet CLI front-end of the PJSIP multimedia communication library, specifically during the command line redrawing process. This flaw can lead to application termination for applications that enable the telnet CLI, although exploitation is limited since it requires access to an already unauthenticated interface that allows arbitrary commands. Developers and administrators of applications utilizing the telnet CLI front-end should prioritize applying the patch from commit 628b716 to mitigate potential disruptions.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall (handle_up_down() in cli_telnet.c). This affects only applications that enable the telnet CLI front-end (same gating as the related CLI issue). The line-redraw sequence for a recalled history entry can accumulate more data than a fixed-size stack buffer holds, which may lead to application termination. Exploitation requires access to the unauthenticated telnet CLI, which already permits arbitrary CLI commands, so the additional impact is limited. Applications that do not enable the telnet CLI front-end are not affected. This issue has been patched via commit 628b716.
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