If an SSL/TLS server or client is running on a 32-bit host, and a specific cipher is being used, then a truncated packet can cause that server or client to perform an out-of-bounds read, usually resulting in a crash. For OpenSSL 1.1.0, the crash can be triggered when using CHACHA20/POLY1305; users should upgrade to 1.1.0d. For Openssl 1.0.2, the crash can be triggered when using RC4-MD5; users who have not disabled that algorithm should update to 1.0.2k.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-814-1 openssl security update
Debian DSA Debian DSA DSA-3773-1 openssl security update
EUVD EUVD EUVD-2017-12848 If an SSL/TLS server or client is running on a 32-bit host, and a specific cipher is being used, then a truncated packet can cause that server or client to perform an out-of-bounds read, usually resulting in a crash. For OpenSSL 1.1.0, the crash can be triggered when using CHACHA20/POLY1305; users should upgrade to 1.1.0d. For Openssl 1.0.2, the crash can be triggered when using RC4-MD5; users who have not disabled that algorithm should update to 1.0.2k.
Ubuntu USN Ubuntu USN USN-3181-1 OpenSSL vulnerabilities
Fixes

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cve-icon MITRE

Status: PUBLISHED

Assigner: openssl

Published:

Updated: 2024-09-16T22:40:54.865Z

Reserved: 2016-12-16T00:00:00

Link: CVE-2017-3731

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2017-05-04T19:29:00.353

Modified: 2025-04-20T01:37:25.860

Link: CVE-2017-3731

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-01-26T00:00:00Z

Links: CVE-2017-3731 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses