| Description: | Summary:
The remote host is missing an update for the 'glibc' package(s) announced via the USN-4416-1 advisory.
Vulnerability Insight:
Florian Weimer discovered that the GNU C Library incorrectly handled
certain memory operations. A remote attacker could use this issue to cause
the GNU C Library to crash, resulting in a denial of service, or possibly
execute arbitrary code. This issue only affected Ubuntu 16.04 LTS.
(CVE-2017-12133)
It was discovered that the GNU C Library incorrectly handled certain
SSE2-optimized memmove operations. A remote attacker could use this issue
to cause the GNU C Library to crash, resulting in a denial of service, or
possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS.
(CVE-2017-18269)
It was discovered that the GNU C Library incorrectly handled certain
pathname operations. A remote attacker could use this issue to cause the
GNU C Library to crash, resulting in a denial of service, or possibly
execute arbitrary code. This issue only affected Ubuntu 18.04 LTS.
(CVE-2018-11236)
It was discovered that the GNU C Library incorrectly handled certain
AVX-512-optimized mempcpy operations. A remote attacker could use this
issue to cause the GNU C Library to crash, resulting in a denial of
service, or possibly execute arbitrary code. This issue only affected
Ubuntu 18.04 LTS. (CVE-2018-11237)
It was discovered that the GNU C Library incorrectly handled certain
hostname loookups. A remote attacker could use this issue to cause the GNU
C Library to crash, resulting in a denial of service, or possibly execute
arbitrary code. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-19591)
Jakub Wilk discovered that the GNU C Library incorrectly handled certain
memalign functions. A remote attacker could use this issue to cause the GNU
C Library to crash, resulting in a denial of service, or possibly execute
arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2018-6485)
It was discovered that the GNU C Library incorrectly ignored the
LD_PREFER_MAP_32BIT_EXEC environment variable after security transitions. A
local attacker could use this issue to bypass ASLR restrictions.
(CVE-2019-19126)
It was discovered that the GNU C Library incorrectly handled certain
regular expressions. A remote attacker could possibly use this issue to
cause the GNU C Library to crash, resulting in a denial of service. This
issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-9169)
It was discovered that the GNU C Library incorrectly handled certain
bit patterns. A remote attacker could use this issue to cause the GNU C
Library to crash, resulting in a denial of service, or possibly execute
arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04
LTS. (CVE-2020-10029)
It was discovered that the GNU C Library incorrectly handled certain
signal trampolines on PowerPC. A remote attacker could use this issue to
cause the GNU C Library to crash, resulting in a denial of service, or
possibly execute arbitrary code. (CVE-2020-1751)
It was ... [Please see the references for more information on the vulnerabilities]
Affected Software/OS:
'glibc' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 19.10.
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
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