Heap-based buffer overflow in sthttpd - CVE-2017-10671

 

Heap-based buffer overflow in sthttpd - CVE-2017-10671

Published: February 15, 2018


Vulnerability identifier: #VU10598
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-10671
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: blueness
Affected software:
sthttpd

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition no the target system.

The weakness exists due to heap-based buffer overflow in the de_dotdot function in libhttpd.c. A remote attacker can send a specially crafted filename, trigger memory corruption and cause daemon crash.

How to mitigate CVE-2017-10671

Update to version 2.27.1-1.

Sources