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CVE-2015-1822

6.5 · MEDIUM

chrony before 1.31.1 does not initialize the last "next" pointer when saving unacknowledged replies to command requests, which allows remote authenticated users to cause a denial of service (uninit…

Published Apr 16, 2015debianCWE-17EPSS 2.94%

Overview

CVE-2015-1822 is a medium-severity vulnerability affecting debian debian_linux. It was published on April 16, 2015 and has a CVSS 2.0 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

chrony before 1.31.1 does not initialize the last "next" pointer when saving unacknowledged replies to command requests, which allows remote authenticated users to cause a denial of service (uninitialized pointer dereference and daemon crash) or possibly execute arbitrary code via a large number of command requests.

Remediation

Check the references section for vendor advisories and patches from debian. Update debian_linux to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
tuxfamilychrony0Affected

References

Reflistengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.htmlRefwww.debian.org/security/2015/dsa-3222Refwww.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlRefwww.securityfocus.com/bid/73956Refsecurity.gentoo.org/glsa/201507-01Reflistengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.htmlRefwww.debian.org/security/2015/dsa-3222Refwww.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlRefwww.securityfocus.com/bid/73956Refsecurity.gentoo.org/glsa/201507-01

How CyberStrike helps

Frequently asked questions

What is CVE-2015-1822?

CVE-2015-1822 is a medium-severity vulnerability affecting debian debian_linux. It was published on April 16, 2015 and has a CVSS 2.0 base score of 6.5 (MEDIUM).

How severe is CVE-2015-1822?

This vulnerability has a CVSS 2.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2015-1822?

Check the references section for vendor advisories and patches from debian. Update debian_linux to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-1822?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-1822 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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