PT-2019-10009 · Ua Parser · Ua-Parser Uap-Core

Published 2019-02-13 · Updated 2019-10-02 · CVE-2018-20164

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions: UA-Parser UAP-Core versions prior to 0.6.0

Description: A Regular Expression Denial of Service (ReDoS) issue allows remote attackers to overload a server by setting the User-Agent header in an HTTP(S) request to a value containing a long digit string.

Recommendations: For versions prior to 0.6.0, update to version 0.6.0 or later to resolve the issue. As a temporary workaround, consider restricting the length of the User-Agent header to prevent exploitation.

Exploit

Fix

Weakness Enumeration

CWE-185

Related Identifiers

CVE-2018-20164

GHSA-FX7M-J728-MJW3

Affected Products

Ua-Parser Uap-Core

References · 10

• 🔥 https://x41-dsec.de/lab/advisories/x41-2018-009-uaparser · Exploit
• https://github.com/ua-parser/uap-core/commit/010ccdc7303546cd22b9da687c29f4a996990014 · Patch
• https://github.com/ua-parser/uap-core/commit/156f7e12b215bddbaf3df4514c399d683e6cdadc · Patch
• https://osv.dev/vulnerability/GHSA-fx7m-j728-mjw3 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-20164 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2018-20164 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-20164 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-20164 · Vendor Advisory
• https://github.com/ua-parser/uap-core/issues/332 · Note
• https://github.com/ua-parser/uap-core · Note