medium
5.9
CWE
125
Advisory Published
Updated

CVE-2020-11047: Out-of-bounds Read in FreeRDP

First published: Thu May 07 2020(Updated: )

In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bounds read in autodetect_recv_bandwidth_measure_results. A malicious server can extract up to 8 bytes of client memory with a manipulated message by providing a short input and reading the measurement result data. This has been patched in 2.0.0.

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

Affected SoftwareAffected VersionHow to fix
FreeRDP>1.1.0<2.0.0
Ubuntu Linux=18.04
Ubuntu Linux=19.10
Ubuntu Linux=20.04
Debian GNU/Linux=10.0
Ubuntu=18.04
Ubuntu=19.10
Ubuntu=20.04
Ubuntu=18.04
Debian=10.0
debian/freerdp2
2.3.0+dfsg1-2+deb11u1
2.3.0+dfsg1-2+deb11u2
2.10.0+dfsg1-1

Remedy

https://github.com/FreeRDP/FreeRDP/commit/f5e73cc7c9cd973b516a618da877c87b80950b65

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-11047?

    CVE-2020-11047 has a CVSS score that indicates a medium severity due to its potential for memory disclosure.

  • How do I fix CVE-2020-11047?

    To fix CVE-2020-11047, upgrade FreeRDP to version 2.3.0+dfsg1-2+deb11u1 or later.

  • Which versions of FreeRDP are affected by CVE-2020-11047?

    CVE-2020-11047 affects FreeRDP versions after 1.1 and before 2.0.0.

  • What impact does CVE-2020-11047 have on a system?

    CVE-2020-11047 allows a malicious server to read up to 8 bytes of client memory, potentially leading to sensitive information exposure.

  • Is CVE-2020-11047 present in Ubuntu releases?

    Yes, CVE-2020-11047 is present in certain versions of Ubuntu Linux, including 18.04, 19.10, and 20.04.

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