CVE-2017-2838: Integer Overflow
First published: Tue Apr 24 2018(Updated: )
An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the middle to trigger this vulnerability.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/freerdp | ||
| FreeRDP | =2.0.0-beta1 | |
| Debian | =8.0 | |
| Debian | =9.0 |
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Reference Links
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0340
- http://blog.talosintelligence.com/2017/07/vulnerbility-spotlight-freerdp-multiple.html
- https://github.com/FreeRDP/FreeRDP/commit/03ab68318966c3a22935a02838daaea7b7fbe96c
- https://security-tracker.debian.org/tracker/CVE-2017-2838
- http://www.securityfocus.com/bid/99942
- https://www.debian.org/security/2017/dsa-3923
Frequently Asked Questions
What is the severity of CVE-2017-2838?
CVE-2017-2838 is considered a moderate severity vulnerability that can lead to a denial of service condition.
How do I fix CVE-2017-2838?
To fix CVE-2017-2838, you should upgrade to a fixed version of FreeRDP that addresses this vulnerability.
What does CVE-2017-2838 affect?
CVE-2017-2838 affects FreeRDP version 2.0.0-beta1 and can impact Debian GNU/Linux versions 8.0 and 9.0.
What causes the vulnerability in CVE-2017-2838?
CVE-2017-2838 is caused by improper handling of specially crafted challenge packets, leading to program termination.
Can CVE-2017-2838 be exploited remotely?
Yes, CVE-2017-2838 can be exploited by an attacker remotely, potentially via man-in-the-middle attacks.
- collector/security-tracker-debian
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- package-manager/debian
- vendor/freerdp
- canonical/freerdp
- version/freerdp/2.0.0-beta1
- vendor/debian
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- version/debian/8.0
- version/debian/9.0