Denial of service in Apache Struts - CVE-2017-7672

 

Denial of service in Apache Struts - CVE-2017-7672

Published: August 9, 2017 / Updated: August 16, 2017


Vulnerability identifier: #VU7893
CSH Severity: Low
CVSS v4: 8.7 [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]
CVE-ID: CVE-2017-7672
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to an error when processing malicious user-supplied data. A remote attacker can send specially crafted URL data to an application that accepts a user-provided URL in a form field and that processes the URL with the built-in URLValidator to overload the server process during validation.

Successful exploitation of the vulnerability results in denial of service.


Affected software

Apache Struts
openEuler
openssl
openssl-debuginfo
openssl-debugsource
openssl-devel
openssl-libs
openssl-help

How to mitigate CVE-2017-7672

Update to version 2.5.12.

openssl - update to 1.1.1f-35
openssl-debuginfo - update to 1.1.1f-35
openssl-debugsource - update to 1.1.1f-35
openssl-devel - update to 1.1.1f-35
openssl-libs - update to 1.1.1f-35
openssl-help - update to 1.1.1f-35

External References

Related Security Bulletins