CVE-2020-7450: Buffer Overflow
First published: Tue Feb 18 2020(Updated: )
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.
Credit: secteam@freebsd.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeBSD Kernel | =11.3 | |
| FreeBSD Kernel | =11.3-p1 | |
| FreeBSD Kernel | =11.3-p2 | |
| FreeBSD Kernel | =11.3-p3 | |
| FreeBSD Kernel | =11.3-p4 | |
| FreeBSD Kernel | =11.3-p5 | |
| FreeBSD Kernel | =12.0 | |
| FreeBSD Kernel | =12.0-p1 | |
| FreeBSD Kernel | =12.0-p10 | |
| FreeBSD Kernel | =12.0-p11 | |
| FreeBSD Kernel | =12.0-p12 | |
| FreeBSD Kernel | =12.0-p2 | |
| FreeBSD Kernel | =12.0-p3 | |
| FreeBSD Kernel | =12.0-p4 | |
| FreeBSD Kernel | =12.0-p6 | |
| FreeBSD Kernel | =12.0-p7 | |
| FreeBSD Kernel | =12.0-p8 | |
| FreeBSD Kernel | =12.0-p9 | |
| FreeBSD Kernel | =12.1 | |
| FreeBSD Kernel | =12.1-p1 |
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Frequently Asked Questions
What is the severity of CVE-2020-7450?
CVE-2020-7450 is classified as a medium to high severity vulnerability due to its potential to allow remote attackers to exploit affected systems.
How do I fix CVE-2020-7450?
To address CVE-2020-7450, update the affected FreeBSD system to a fixed version, specifically versions 11.3-RELEASE-p6, 12.0-RELEASE-p12, or 12.1-RELEASE-p1 and later.
What are the affected versions in CVE-2020-7450?
CVE-2020-7450 affects FreeBSD versions 11.3-RELEASE, 12.0-RELEASE, and 12.1 before their respective patched versions.
What type of vulnerability is CVE-2020-7450?
CVE-2020-7450 is a heap buffer overflow vulnerability occurring in URL handling of the libfetch library.
Can CVE-2020-7450 lead to unauthorized access?
Yes, CVE-2020-7450 could be exploited to execute arbitrary code, potentially leading to unauthorized access.
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- vendor/freebsd
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- version/freebsd kernel/11.3
- version/freebsd kernel/11.3-p1
- version/freebsd kernel/11.3-p2
- version/freebsd kernel/11.3-p3
- version/freebsd kernel/11.3-p4
- version/freebsd kernel/11.3-p5
- version/freebsd kernel/12.0
- version/freebsd kernel/12.0-p1
- version/freebsd kernel/12.0-p10
- version/freebsd kernel/12.0-p11
- version/freebsd kernel/12.0-p12
- version/freebsd kernel/12.0-p2
- version/freebsd kernel/12.0-p3
- version/freebsd kernel/12.0-p4
- version/freebsd kernel/12.0-p6
- version/freebsd kernel/12.0-p7
- version/freebsd kernel/12.0-p8
- version/freebsd kernel/12.0-p9
- version/freebsd kernel/12.1
- version/freebsd kernel/12.1-p1