PT-2017-3942 · Openssl · Openssl

Robert Åšwiä™Cki · Published 2017-01-26 · Updated 2017-09-03 · CVE-2016-7054

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions OpenSSL versions 1.1.0 through 1.1.0b

Description The issue is related to the implementation of the CHACHA20-POLY1305 algorithm in OpenSSL, specifically with the handling of corrupted payloads in TLS connections that use *-CHACHA20-POLY1305 ciphersuites. This can lead to a denial of service (DoS) attack, causing OpenSSL to crash. The problem is not considered exploitable beyond a DoS.

Recommendations For OpenSSL versions 1.1.0 through 1.1.0b, update to version 1.1.0c or later to resolve the issue. At the moment, there is no information about additional mitigation measures for this specific vulnerability.

Exploit

Fix

DoS

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BDU:2020-02906

CVE-2016-7054

Affected Products

Openssl

References · 12

• 🔥 https://exploit-db.com/exploits/40899 · Exploit
• https://bdu.fstec.ru/vul/2020-02906 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-7054 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-7054 · Security Note
• https://osv.dev/vulnerability/CVE-2016-7054 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-7054 · Vendor Advisory
• https://openssl.org/news/secadv/20161110.txt · Vendor Advisory
• http://securitytracker.com/id/1037261 · Note
• https://suse.com/security/cve/CVE-2016-7054 · Note
• https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03744en_us · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7054 · Note
• http://securityfocus.com/bid/94238 · Note