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Test ID:1.3.6.1.4.1.25623.1.0.844668
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory for tomcat9 (USN-4596-1)
Summary:The remote host is missing an update for the 'tomcat9'; package(s) announced via the USN-4596-1 advisory.
Description:Summary:
The remote host is missing an update for the 'tomcat9'
package(s) announced via the USN-4596-1 advisory.

Vulnerability Insight:
It was discovered that Tomcat did not properly manage HTTP/2 streams. An
attacker could possibly use this to cause Tomcat to consume resources,
resulting in a denial of service. (CVE-2020-11996)

It was discovered that Tomcat did not properly release the HTTP/1.1
processor after the upgrade to HTTP/2. An attacker could possibly use
this to generate an OutOfMemoryException, resulting in a denial of
service. (CVE-2020-13934)

It was discovered that Tomcat did not properly validate the payload
length in a WebSocket frame. An attacker could possibly use this to
trigger an infinite loop, resulting in a denial of service. (CVE-2020-13935)

It was discovered that Tomcat did not properly deserialize untrusted
data. An attacker could possibly use this issue to execute arbitrary
code. (CVE-2020-9484)

Affected Software/OS:
'tomcat9' package(s) on Ubuntu 20.04 LTS.

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-2020-9484
https://kc.mcafee.com/corporate/index?page=content&id=SB10332
https://security.netapp.com/advisory/ntap-20200528-0005/
Debian Security Information: DSA-4727 (Google Search)
https://www.debian.org/security/2020/dsa-4727
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WJ7XHKWJWDNWXUJH6UB7CLIW4TWOZ26N/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GIQHXENTLYUNOES4LXVNJ2NCUQQRF5VJ/
http://seclists.org/fulldisclosure/2020/Jun/6
https://security.gentoo.org/glsa/202006-21
http://packetstormsecurity.com/files/157924/Apache-Tomcat-CVE-2020-9484-Proof-Of-Concept.html
https://lists.apache.org/thread.html/r77eae567ed829da9012cadb29af17f2df8fa23bf66faf88229857bb1%40%3Cannounce.tomcat.apache.org%3E
https://www.oracle.com/security-alerts/cpujul2020.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://lists.debian.org/debian-lts-announce/2020/05/msg00020.html
https://lists.debian.org/debian-lts-announce/2020/05/msg00026.html
https://lists.debian.org/debian-lts-announce/2020/07/msg00010.html
https://lists.apache.org/thread.html/r7bc247fffcb1d58415215c861d2354bd653c86266230d78a93c71ae2@%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/rb1c0fb105ce2b93b7ec6fc1b77dd208022621a91c12d1f580813cfed@%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/rf70f53af27e04869bdac18b1fc14a3ee529e59eb12292c8791a77926@%3Cusers.tomcat.apache.org%3E
https://lists.apache.org/thread.html/r26950738f4b4ca2d256597cf391d52d3450fa665c297ea5ca38f5469@%3Cusers.tomcat.apache.org%3E
https://lists.apache.org/thread.html/rc8473b08abdf3c16494ed817bec1717a0ee0c8080315bc27db5f21c3@%3Ccommits.tomee.apache.org%3E
https://lists.apache.org/thread.html/rf59c72572b9fee674a5d5cc6afeca4ffc3918a02c354a81cc50b7119@%3Ccommits.tomee.apache.org%3E
https://lists.apache.org/thread.html/r123b3ebe389f46f9d337923f393cdae4d3e9b78d982d706712f0898c@%3Ccommits.tomee.apache.org%3E
https://lists.apache.org/thread.html/raa4123e472175bb052fbba165d37187cea923f755e8f3f30d124cb3f@%3Ccommits.tomee.apache.org%3E
SuSE Security Announcement: openSUSE-SU-2020:0711 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00057.html
https://usn.ubuntu.com/4448-1/
https://usn.ubuntu.com/4596-1/
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