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Test ID:1.3.6.1.4.1.25623.1.0.844402
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory for openjdk-8 (USN-4337-1)
Summary:The remote host is missing an update for the 'openjdk-8'; package(s) announced via the USN-4337-1 advisory.
Description:Summary:
The remote host is missing an update for the 'openjdk-8'
package(s) announced via the USN-4337-1 advisory.

Vulnerability Insight:
It was discovered that OpenJDK incorrectly handled certain regular
expressions. An attacker could possibly use this issue to cause a denial of
service while processing a specially crafted regular expression.
(CVE-2020-2754, CVE-2020-2755)

It was discovered that OpenJDK incorrectly handled class descriptors and
catching exceptions during object stream deserialization. An attacker could
possibly use this issue to cause a denial of service while processing a
specially crafted serialized input. (CVE-2020-2756, CVE-2020-2757)

Bengt Jonsson, Juraj Somorovsky, Kostis Sagonas, Paul Fiterau Brostean and
Robert discovered that OpenJDK incorrectly handled certificate messages
during TLS handshake. An attacker could possibly use this issue to bypass
certificate verification and insert, edit or obtain sensitive information. This
issue only affected OpenJDK 11. (CVE-2020-2767)

It was discovered that OpenJDK incorrectly handled exceptions thrown by
unmarshalKeyInfo() and unmarshalXMLSignature(). An attacker could possibly use
this issue to cause a denial of service while reading key info or XML signature
data from XML input. (CVE-2020-2773)

Peter Dettman discovered that OpenJDK incorrectly handled SSLParameters in
setAlgorithmConstraints(). An attacker could possibly use this issue to
override the defined systems security policy and lead to the use of weak
crypto algorithms that should be disabled. This issue only affected
OpenJDK 11. (CVE-2020-2778)

Simone Bordet discovered that OpenJDK incorrectly re-used single null TLS
sessions for new TLS connections. A remote attacker could possibly use this
issue to cause a denial of service. (CVE-2020-2781)

Dan Amodio discovered that OpenJDK did not restrict the use of CR and LF
characters in values for HTTP headers. An attacker could possibly use this
issue to insert, edit or obtain sensitive information. (CVE-2020-2800)

Nils Emmerich discovered that OpenJDK incorrectly checked boundaries or
argument types. An attacker could possibly use this issue to bypass sandbox
restrictions causing unspecified impact. (CVE-2020-2803, CVE-2020-2805)

It was discovered that OpenJDK incorrectly handled application data packets
during TLS handshake. An attacker could possibly use this issue to insert,
edit or obtain sensitive information. This issue only affected OpenJDK 11.
(CVE-2020-2816)

It was discovered that OpenJDK incorrectly handled certain regular
expressions. An attacker could possibly use this issue to cause a denial of
service. (CVE-2020-2830)

Affected Software/OS:
'openjdk-8' package(s) on Ubuntu 19.10, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS.

Solution:
Please install the updated package(s).

CVSS Score:
5.8

CVSS Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-2754
Debian Security Information: DSA-4662 (Google Search)
https://www.debian.org/security/2020/dsa-4662
Debian Security Information: DSA-4668 (Google Search)
https://www.debian.org/security/2020/dsa-4668
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CKAV6KFFAEANXAN73AFTGU7Z6YNRWCXQ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L7VHC4EW36KZEIDQ56RPCWBZCQELFFKN/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYHHHZRHXCBGRHGE5UP7UEB4IZ2QX536/
https://www.oracle.com/security-alerts/cpuapr2020.html
SuSE Security Announcement: openSUSE-SU-2020:0757 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00000.html
SuSE Security Announcement: openSUSE-SU-2020:0800 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00023.html
SuSE Security Announcement: openSUSE-SU-2020:0841 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00048.html
https://usn.ubuntu.com/4337-1/
Common Vulnerability Exposure (CVE) ID: CVE-2020-2755
https://security.gentoo.org/glsa/202006-22
Common Vulnerability Exposure (CVE) ID: CVE-2020-2756
https://lists.debian.org/debian-lts-announce/2020/04/msg00024.html
Common Vulnerability Exposure (CVE) ID: CVE-2020-2757
Common Vulnerability Exposure (CVE) ID: CVE-2020-2767
Common Vulnerability Exposure (CVE) ID: CVE-2020-2773
Common Vulnerability Exposure (CVE) ID: CVE-2020-2778
Common Vulnerability Exposure (CVE) ID: CVE-2020-2781
Common Vulnerability Exposure (CVE) ID: CVE-2020-2800
Common Vulnerability Exposure (CVE) ID: CVE-2020-2803
Common Vulnerability Exposure (CVE) ID: CVE-2020-2805
Common Vulnerability Exposure (CVE) ID: CVE-2020-2816
Common Vulnerability Exposure (CVE) ID: CVE-2020-2830
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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