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CVE-2015-5380

7.5 · HIGH

The Utf8DecoderBase::WriteUtf16Slow function in unicode-decoder.cc in Google V8, as used in Node.js before 0.12.6, io.js before 1.8.3 and 2.x before 2.3.3, and other products, does not verify that…

Published Jul 9, 2015googleCWE-119EPSS 3.00%

Overview

CVE-2015-5380 is a high-severity vulnerability affecting google v8. It was published on July 9, 2015 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 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

The Utf8DecoderBase::WriteUtf16Slow function in unicode-decoder.cc in Google V8, as used in Node.js before 0.12.6, io.js before 1.8.3 and 2.x before 2.3.3, and other products, does not verify that there is memory available for a UTF-16 surrogate pair, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted byte sequence.

Remediation

Check the references section for vendor advisories and patches from google. Update v8 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
iojsio.js0Affected
nodejsnode.js0Affected

References

Refblog.nodejs.org/2015/07/03/node-v0-12-6-stable/Refwww.securityfocus.com/bid/75556Refcodereview.chromium.org/1226493003GitHubgithub.com/joyent/node/issues/25583Refmedium.com/%40iojs/important-security-upgrades-for-node-js-and-io-js-8ac14ece5852Refblog.nodejs.org/2015/07/03/node-v0-12-6-stable/Refwww.securityfocus.com/bid/75556Refcodereview.chromium.org/1226493003GitHubgithub.com/joyent/node/issues/25583Refmedium.com/%40iojs/important-security-upgrades-for-node-js-and-io-js-8ac14ece5852

How CyberStrike helps

Frequently asked questions

What is CVE-2015-5380?

CVE-2015-5380 is a high-severity vulnerability affecting google v8. It was published on July 9, 2015 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2015-5380?

This vulnerability has a CVSS 2.0 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-2015-5380?

Check the references section for vendor advisories and patches from google. Update v8 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-2015-5380?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-5380 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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