medium
6.5
CWE
125
Advisory Published
Updated

CVE-2020-11099

First published: Mon Jun 22 2020(Updated: )

In FreeRDP before version 2.1.2, there is an out of bounds read in license_read_new_or_upgrade_license_packet. A manipulated license packet can lead to out of bound reads to an internal buffer. This is fixed in version 2.1.2.

Credit: security-advisories@github.com security-advisories@github.com security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
FreeRDP FreeRDP<2.1.2
openSUSE Leap=15.1
Fedoraproject Fedora=31
Fedoraproject Fedora=32
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=20.04
Debian Debian Linux=10.0
ubuntu/freerdp2<2.2.0+dfsg1-0ubuntu0.18.04.1
2.2.0+dfsg1-0ubuntu0.18.04.1
ubuntu/freerdp2<2.2.0+dfsg1-0ubuntu0.20.04.1
2.2.0+dfsg1-0ubuntu0.20.04.1
debian/freerdp2<=2.0.0~git20190204.1.2693389a+dfsg1-1+deb10u2
2.3.0+dfsg1-2+deb10u4
2.3.0+dfsg1-2+deb11u1
2.10.0+dfsg1-1
2.11.2+dfsg1-1
2.11.5+dfsg1-1

Remedy

https://github.com/FreeRDP/FreeRDP/commit/6ade7b4cbfd71c54b3d724e8f2d6ac76a58e879a

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-11099?

    CVE-2020-11099 is a vulnerability in FreeRDP that allows for an out of bounds read in the license packet, leading to potential buffer overflow.

  • What is the severity of CVE-2020-11099?

    CVE-2020-11099 has a severity rating of medium with a CVSS score of 6.5.

  • How does CVE-2020-11099 affect FreeRDP?

    CVE-2020-11099 affects FreeRDP versions before 2.1.2, allowing for an out of bounds read in the license packet.

  • How can I fix CVE-2020-11099?

    To fix CVE-2020-11099, update to FreeRDP version 2.1.2 or later.

  • Where can I find more information about CVE-2020-11099?

    More information about CVE-2020-11099 can be found at the MITRE CVE database (link: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11099) and the FreeRDP security advisories page (link: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-977w-866x-4v5h).

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