CVE-2017-2891

An exploitable use-after-free vulnerability exists in the HTTP server implementation of Cesanta Mongoose 6.8. An ordinary HTTP POST request with a CGI target can cause a reuse of previously freed pointer potentially resulting in remote code execution. An attacker needs to send this HTTP request over the network to trigger this vulnerability.

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0

9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

2.76% chance of exploitation in the next 30 days, 85th percentile

Published

2017-11-07

Updated

2024-09-16

Proof-of-concept exploits (1)

• https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0398

References

• CVE Record
• NVD entry

Related

• CVE-2017-2885
• CVE-2017-2893
• CVE-2017-2883
• CVE-2017-2894
• CVE-2017-2882
• CVE-2017-2898