Test ID:	1.3.6.1.4.1.25623.1.1.2.2020.1667
Category:	Huawei EulerOS Local Security Checks
Title:	Huawei EulerOS: Security Advisory for glibc (EulerOS-SA-2020-1667)
Summary:	The remote host is missing an update for the Huawei EulerOS 'glibc' package(s) announced via the EulerOS-SA-2020-1667 advisory.
Description:	Summary: The remote host is missing an update for the Huawei EulerOS 'glibc' package(s) announced via the EulerOS-SA-2020-1667 advisory. Vulnerability Insight: Stack-based buffer overflow in the getaddrinfo function in sysdeps/posix/getaddrinfo.c in the GNU C Library (aka glibc or libc6) allows remote attackers to cause a denial of service (crash) via vectors involving hostent conversion. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-4458.(CVE-2016-3706) In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '()(\\1\\1)*' in grep, a different issue than CVE-2018-20796. NOTE: the software maintainer disputes that this is a vulnerability because the behavior occurs only with a crafted pattern.(CVE-2019-9192) In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(\227)(\\1\\1t1\\\2537)+' in grep.(CVE-2018-20796) GNU Libc current is affected by: Re-mapping current loaded library with malicious ELF file. The impact is: In worst case attacker may evaluate privileges. The component is: libld. The attack vector is: Attacker sends 2 ELF files to victim and asks to run ldd on it. ldd execute code.(CVE-2019-1010023) A use-after-free vulnerability introduced in glibc upstream version 2.14 was found in the way the tilde expansion was carried out. Directory paths containing an initial tilde followed by a valid username were affected by this issue. A local attacker could exploit this flaw by creating a specially crafted path that, when processed by the glob function, would potentially lead to arbitrary code execution. This was fixed in version 2.32.(CVE-2020-1752) The GNU C Library (aka glibc or libc6) before 2.32 could overflow an on-stack buffer during range reduction if an input to an 80-bit long double function contains a non-canonical bit pattern, a seen when passing a 0x5d414141414141410000 value to sinl on x86 targets. This is related to sysdeps/ieee754/ldbl-96/e_rem_pio2l.c.(CVE-2020-10029) Affected Software/OS: 'glibc' package(s) on Huawei EulerOS V2.0SP2. Solution: Please install the updated package(s). CVSS Score: 6.8 CVSS Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2016-3706 BugTraq ID: 102073 http://www.securityfocus.com/bid/102073 BugTraq ID: 88440 http://www.securityfocus.com/bid/88440 SuSE Security Announcement: openSUSE-SU-2016:1527 (Google Search) http://lists.opensuse.org/opensuse-updates/2016-06/msg00030.html SuSE Security Announcement: openSUSE-SU-2016:1779 (Google Search) http://lists.opensuse.org/opensuse-updates/2016-07/msg00039.html Common Vulnerability Exposure (CVE) ID: CVE-2019-9192 https://sourceware.org/bugzilla/show_bug.cgi?id=24269 Common Vulnerability Exposure (CVE) ID: CVE-2020-1752 https://security.gentoo.org/glsa/202101-20 https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E https://usn.ubuntu.com/4416-1/
Copyright	Copyright (C) 2020 Greenbone Networks GmbH

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