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CVE-2020-7450

Status Candidate

Overview

In FreeBSD 12.1-STABLE before r357213, 12.1-RELEASE before 12.1-RELEASE-p2, 12.0-RELEASE before 12.0-RELEASE-p13, 11.3-STABLE before r357214, and 11.3-RELEASE before 11.3-RELEASE-p6, URL handling in libfetch with URLs containing username and/or password components is vulnerable to a heap buffer overflow allowing program misbehavior or malicious code execution.

Related Files

FreeBSD Security Advisory - FreeBSD-SA-20:01.libfetch
Posted Jan 28, 2020
Authored by Duncan Overbruck | Site security.freebsd.org

FreeBSD Security Advisory - A programming error allows an attacker who can specify a URL with a username and/or password components to overflow libfetch(3) buffers. An attacker in control of the URL to be fetched (possibly via HTTP redirect) may cause a heap buffer overflow, resulting in program misbehavior or malicious code execution.

tags | advisory, web, overflow, code execution
systems | freebsd, bsd
advisories | CVE-2020-7450
SHA-256 | 58eb688b18a5f5586d60c4a6d426da578c845550c391c45bbf4d3e093091639e
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