Test ID:	1.3.6.1.4.1.25623.1.0.844837
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-4738-1)
Summary:	The remote host is missing an update for the 'openssl, openssl1.0' package(s) announced via the USN-4738-1 advisory.
Description:	Summary: The remote host is missing an update for the 'openssl, openssl1.0' package(s) announced via the USN-4738-1 advisory. Vulnerability Insight: Paul Kehrer discovered that OpenSSL incorrectly handled certain input lengths in EVP functions. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2021-23840) Tavis Ormandy discovered that OpenSSL incorrectly handled parsing issuer fields. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2021-23841) Affected Software/OS: 'openssl, openssl1.0' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-23840 https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=6a51b9e1d0cf0bf8515f7201b68fb0a3482b3dc1 https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=9b1129239f3ebb1d1c98ce9ed41d5c9476c47cb2 https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44846 https://kc.mcafee.com/corporate/index?page=content&id=SB10366 https://security.netapp.com/advisory/ntap-20210219-0009/ https://www.openssl.org/news/secadv/20210216.txt https://www.tenable.com/security/tns-2021-03 https://www.tenable.com/security/tns-2021-09 https://www.tenable.com/security/tns-2021-10 Debian Security Information: DSA-4855 (Google Search) https://www.debian.org/security/2021/dsa-4855 https://security.gentoo.org/glsa/202103-03 https://www.oracle.com//security-alerts/cpujul2021.html https://www.oracle.com/security-alerts/cpuApr2021.html https://www.oracle.com/security-alerts/cpuapr2022.html https://www.oracle.com/security-alerts/cpujan2022.html https://www.oracle.com/security-alerts/cpuoct2021.html https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E Common Vulnerability Exposure (CVE) ID: CVE-2021-23841 https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=122a19ab48091c657f7cb1fb3af9fc07bd557bbf https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=8252ee4d90f3f2004d3d0aeeed003ad49c9a7807 https://security.netapp.com/advisory/ntap-20210513-0002/ https://support.apple.com/kb/HT212528 https://support.apple.com/kb/HT212529 https://support.apple.com/kb/HT212534 http://seclists.org/fulldisclosure/2021/May/67 http://seclists.org/fulldisclosure/2021/May/70 http://seclists.org/fulldisclosure/2021/May/68
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