Use-after-free error in Mongoose - CVE-2017-2922
Published: November 2, 2017
Vulnerability identifier: #VU9108
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-2922
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cesanta Software Ltd.
Affected software:
Mongoose
Mongoose
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists in the Websocket protocol implementation due to use-after-free error. A remote attacker can send a specially crafted websocket packet, cause a buffer to be allocated while leaving stale pointers, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists in the Websocket protocol implementation due to use-after-free error. A remote attacker can send a specially crafted websocket packet, cause a buffer to be allocated while leaving stale pointers, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability may result in system compromise.
How to mitigate CVE-2017-2922
Update to version 6.10.