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Test ID:1.3.6.1.4.1.25623.1.0.844536
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory for apache2 (USN-4458-1)
Summary:The remote host is missing an update for the 'apache2'; package(s) announced via the USN-4458-1 advisory.
Description:Summary:
The remote host is missing an update for the 'apache2'
package(s) announced via the USN-4458-1 advisory.

Vulnerability Insight:
Fabrice Perez discovered that the Apache mod_rewrite module incorrectly
handled certain redirects. A remote attacker could possibly use this issue
to perform redirects to an unexpected URL. (CVE-2020-1927)

Chamal De Silva discovered that the Apache mod_proxy_ftp module incorrectly
handled memory when proxying to a malicious FTP server. A remote attacker
could possibly use this issue to obtain sensitive information.
(CVE-2020-1934)

Felix Wilhelm discovered that the HTTP/2 implementation in Apache did not
properly handle certain Cache-Digest headers. A remote attacker could
possibly use this issue to cause Apache to crash, resulting in a denial of
service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2020-9490)

Felix Wilhelm discovered that the Apache mod_proxy_uwsgi module incorrectly
handled large headers. A remote attacker could use this issue to obtain
sensitive information or possibly execute arbitrary code. This issue only
affected Ubuntu 20.04 LTS. (CVE-2020-11984)

Felix Wilhelm discovered that the HTTP/2 implementation in Apache did not
properly handle certain logging statements. A remote attacker could
possibly use this issue to cause Apache to crash, resulting in a denial of
service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2020-11993)

Affected Software/OS:
'apache2' package(s) on Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS.

Solution:
Please install the updated package(s).

CVSS Score:
7.5

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-1927
https://httpd.apache.org/security/vulnerabilities_24.html
https://security.netapp.com/advisory/ntap-20200413-0002/
Debian Security Information: DSA-4757 (Google Search)
https://www.debian.org/security/2020/dsa-4757
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A2RN46PRBJE7E7OPD4YZX5SVWV5QKGV5/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HYVYE2ZERFXDV6RMKK3I5SDSDQLPSEIQ/
https://www.oracle.com/security-alerts/cpujul2020.html
https://lists.apache.org/thread.html/r70ba652b79ba224b2cbc0a183078b3a49df783b419903e3dcf4d78c7@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r10b853ea87dd150b0e76fda3f8254dfdb23dd05fa55596405b58478e@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r52a52fd60a258f5999a8fa5424b30d9fd795885f9ff4828d889cd201@%3Cdev.httpd.apache.org%3E
https://lists.apache.org/thread.html/r1719675306dfbeaceff3dc63ccad3de2d5615919ca3c13276948b9ac@%3Cdev.httpd.apache.org%3E
http://www.openwall.com/lists/oss-security/2020/04/03/1
http://www.openwall.com/lists/oss-security/2020/04/04/1
SuSE Security Announcement: openSUSE-SU-2020:0597 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00002.html
https://usn.ubuntu.com/4458-1/
Common Vulnerability Exposure (CVE) ID: CVE-2020-1934
https://lists.apache.org/thread.html/r5d12ffc80685b0df1d6801e68000a7707dd694fe32e4f221de67c210@%3Ccvs.httpd.apache.org%3E
Common Vulnerability Exposure (CVE) ID: CVE-2020-9490
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4NKWG2EXAQQB6LMLATKZ7KLSRGCSHVAN/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ITVFDBVM6E3JF3O7RYLRPRCH3RDRHJJY/
https://security.gentoo.org/glsa/202008-04
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2020-9490
https://lists.apache.org/thread.html/r9e9f1a7609760f0f80562eaaec2aa3c32d525c3e0fca98b475240c71@%3Cdev.httpd.apache.org%3E
https://lists.apache.org/thread.html/r623de9b2b2433a87f3f3a15900419fc9c00c77b26936dfea4060f672@%3Cdev.httpd.apache.org%3E
https://lists.apache.org/thread.html/r5debe8f82728a00a4a68bc904dd6c35423bdfc8d601cfb4579f38bf1@%3Cdev.httpd.apache.org%3E
SuSE Security Announcement: openSUSE-SU-2020:1285 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00068.html
SuSE Security Announcement: openSUSE-SU-2020:1293 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00071.html
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