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CVE-2018-16948

7.5 · HIGH

An issue was discovered in OpenAFS before 1.6.23 and 1.8.x before 1.8.2.

Published Sep 12, 2018CWE-200EPSS 1.99%

Overview

CVE-2018-16948 is a high-severity vulnerability. It was published on September 12, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An issue was discovered in OpenAFS before 1.6.23 and 1.8.x before 1.8.2. Several RPC server routines did not fully initialize their output variables before returning, leaking memory contents from both the stack and the heap. Because the OpenAFS cache manager functions as an Rx server for the AFSCB service, clients are also susceptible to information leakage. For example, RXAFSCB_TellMeAboutYourself leaks kernel memory and KAM_ListEntry leaks kaserver memory.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refopenafs.org/pages/security/OPENAFS-SA-2018-002.txtReflists.debian.org/debian-lts-announce/2018/09/msg00024.htmlRefwww.debian.org/security/2018/dsa-4302Refopenafs.org/pages/security/OPENAFS-SA-2018-002.txtReflists.debian.org/debian-lts-announce/2018/09/msg00024.htmlRefwww.debian.org/security/2018/dsa-4302

How CyberStrike helps

Frequently asked questions

What is CVE-2018-16948?

CVE-2018-16948 is a high-severity vulnerability. It was published on September 12, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2018-16948?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-16948?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2018-16948?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-16948 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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