medium
6.5
CWE
125
Advisory Published
Updated

CVE-2020-11096: Global OOB read in update_read_cache_bitmap_v3_order in FreeRDP

First published: Mon Jun 22 2020(Updated: )

In FreeRDP before version 2.1.2, there is a global OOB read in update_read_cache_bitmap_v3_order. As a workaround, one can disable bitmap cache with -bitmap-cache (default). 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
Fedoraproject Fedora=31
Fedoraproject Fedora=32
openSUSE Leap=15.1
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=20.04
Debian Debian Linux=10.0
debian/freerdp2
2.3.0+dfsg1-2+deb11u1
2.10.0+dfsg1-1
2.11.7+dfsg1-4

Remedy

https://github.com/FreeRDP/FreeRDP/commit/b8beb55913471952f92770c90c372139d78c16c0

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID for this FreeRDP vulnerability?

    The vulnerability ID for this FreeRDP vulnerability is CVE-2020-11096.

  • What is the severity rating of CVE-2020-11096?

    The severity rating of CVE-2020-11096 is medium.

  • How can I mitigate the CVE-2020-11096 vulnerability?

    One can mitigate the CVE-2020-11096 vulnerability by disabling bitmap cache with the -bitmap-cache flag.

  • What is the affected software for CVE-2020-11096?

    The affected software for CVE-2020-11096 includes FreeRDP versions before 2.1.2.

  • Where can I find more information about CVE-2020-11096?

    You can find more information about CVE-2020-11096 on the CVE Mitre website, the FreeRDP GitHub security advisory page, and the FreeRDP blog post announcing version 2.1.2.

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