What is the severity of CVE-2021-44847?

CVE-2021-44847 has a medium severity rating due to its potential for remote code execution and system crashes.

How do I fix CVE-2021-44847?

To fix CVE-2021-44847, you should upgrade to a patched version of Toxcore, specifically to versions 0.1.12 or 0.2.13 and later.

Which versions are affected by CVE-2021-44847?

CVE-2021-44847 affects Toxcore versions 0.1.9 through 0.1.11 and 0.2.0 through 0.2.12.

Can CVE-2021-44847 lead to data breaches?

Yes, CVE-2021-44847 can potentially allow remote attackers to execute arbitrary code, leading to data breaches.

What is the impact of CVE-2021-44847 on Fedora systems?

On Fedora systems, the impact of CVE-2021-44847 includes the risk of process crashes or unauthorized code execution when running affected versions.

Vulnerability/
CVE-2021-44847

critical

9.8

CWE

682 119

13/12/2021

21/11/2024

CVE-2021-44847: Buffer Overflow

First published: Mon Dec 13 2021(Updated: )

A stack-based buffer overflow in handle_request function in DHT.c in toxcore 0.1.9 through 0.1.11 and 0.2.0 through 0.2.12 (caused by an improper length calculation during the handling of received network packets) allows remote attackers to crash the process or potentially execute arbitrary code via a network packet.

Credit: cve@mitre.org cve@mitre.org

Affected Software	Affected Version	How to fix
Toktok Toxcore	>=0.1.9<=0.1.11
Toktok Toxcore	>=0.2.0<=0.2.12
fedoraproject fedora	=34
fedoraproject fedora	=35
Fedoraproject Fedora	=34
Fedoraproject Fedora	=35

Remedy

https://github.com/TokTok/c-toxcore/pull/1718

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-44847?
CVE-2021-44847 has a medium severity rating due to its potential for remote code execution and system crashes.
How do I fix CVE-2021-44847?
To fix CVE-2021-44847, you should upgrade to a patched version of Toxcore, specifically to versions 0.1.12 or 0.2.13 and later.
Which versions are affected by CVE-2021-44847?
CVE-2021-44847 affects Toxcore versions 0.1.9 through 0.1.11 and 0.2.0 through 0.2.12.
Can CVE-2021-44847 lead to data breaches?
Yes, CVE-2021-44847 can potentially allow remote attackers to execute arbitrary code, leading to data breaches.
What is the impact of CVE-2021-44847 on Fedora systems?
On Fedora systems, the impact of CVE-2021-44847 includes the risk of process crashes or unauthorized code execution when running affected versions.

agent/author
agent/type
collector/mitre-cve
source/MITRE
agent/remedy
agent/severity
agent/weakness
agent/references
agent/first-publish-date
agent/description
agent/last-modified-date
agent/softwarecombine
agent/event
agent/source
agent/tags
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
collector/nvd-index
vendor/toktok
canonical/toktok toxcore
version/toktok toxcore/0.1.9
version/toktok toxcore/0.1.11
version/toktok toxcore/0.2.0
version/toktok toxcore/0.2.12
vendor/fedoraproject
canonical/fedoraproject fedora
version/fedoraproject fedora/34
version/fedoraproject fedora/35

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Contact

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Frequently Asked Questions

What is the severity of CVE-2021-44847?
CVE-2021-44847 has a medium severity rating due to its potential for remote code execution and system crashes.
How do I fix CVE-2021-44847?
To fix CVE-2021-44847, you should upgrade to a patched version of Toxcore, specifically to versions 0.1.12 or 0.2.13 and later.
Which versions are affected by CVE-2021-44847?
CVE-2021-44847 affects Toxcore versions 0.1.9 through 0.1.11 and 0.2.0 through 0.2.12.
Can CVE-2021-44847 lead to data breaches?
Yes, CVE-2021-44847 can potentially allow remote attackers to execute arbitrary code, leading to data breaches.
What is the impact of CVE-2021-44847 on Fedora systems?
On Fedora systems, the impact of CVE-2021-44847 includes the risk of process crashes or unauthorized code execution when running affected versions.