Test ID:	1.3.6.1.4.1.25623.1.1.2.2021.1216
Category:	Huawei EulerOS Local Security Checks
Title:	Huawei EulerOS: Security Advisory for nasm (EulerOS-SA-2021-1216)
Summary:	The remote host is missing an update for the Huawei EulerOS 'nasm' package(s) announced via the EulerOS-SA-2021-1216 advisory.
Description:	Summary: The remote host is missing an update for the Huawei EulerOS 'nasm' package(s) announced via the EulerOS-SA-2021-1216 advisory. Vulnerability Insight: In Netwide Assembler (NASM) 2.14rc0, there are multiple heap use after free vulnerabilities in the tool nasm. The related heap is allocated in the token() function and freed in the detoken() function (called by pp_getline()) - it is used again at multiple positions later that could cause multiple damages. For example, it causes a corrupted double-linked list in detoken(), a double free or corruption in delete_Token(), and an out-of-bounds write in detoken(). It has a high possibility to lead to a remote code execution attack.(CVE-2017-10686) In Netwide Assembler (NASM) 2.14rc0, preproc.c allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted file.(CVE-2017-11111) In Netwide Assembler (NASM) 2.14rc0, there is a 'SEGV on unknown address' that will cause a remote denial of service attack, because asm/preproc.c mishandles macro calls that have the wrong number of arguments.(CVE-2017-17810) In Netwide Assembler (NASM) 2.14rc0, there is a heap-based buffer over-read in the function detoken() in asm/preproc.c that will cause a remote denial of service attack.(CVE-2017-17812) In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in is_mmacro() in asm/preproc.c that will cause a remote denial of service attack, because of a missing check for the relationship between minimum and maximum parameter counts.(CVE-2017-17815) In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in the function find_cc() in asm/preproc.c that will cause a remote denial of service attack, because pointers associated with skip_white_ calls are not validated.(CVE-2017-17819) In Netwide Assembler (NASM) 2.14rc0, there is a heap-based buffer overflow that will cause a remote denial of service attack, related to a strcpy in paste_tokens in asm/preproc.c, a similar issue to CVE-2017-11111.(CVE-2017-17811) In Netwide Assembler (NASM) 2.14rc0, there is a use-after-free in the pp_list_one_macro function in asm/preproc.c that will cause a remote denial of service attack, related to mishandling of line-syntax errors.(CVE-2017-17813) In Netwide Assembler (NASM) 2.14rc0, there is a use-after-free in do_directive in asm/preproc.c that will cause a remote denial of service attack.(CVE-2017-17814) In Netwide Assembler (NASM) 2.14rc0, there is a use-after-free in pp_getline in asm/preproc.c that will cause a remote denial of service attack.(CVE-2017-17816) In Netwide Assembler (NASM) 2.14rc0, there is a use-after-free in pp_verror in asm/preproc.c that will cause a remote denial of service attack.(CVE-2017-17817) In Netwide Assembler (NASM) 2.14rc0, there is a heap-based buffer over-read that will cause a remote denial of service attack, related to a while loop in paste_tokens in asm/preproc.c.(CVE-2017-17818) In Netwide Assembler (NASM) 2.14rc0, there is a ... [Please see the references for more information on the vulnerabilities] Affected Software/OS: 'nasm' package(s) on Huawei EulerOS V2.0SP5. 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-2017-10686 Common Vulnerability Exposure (CVE) ID: CVE-2017-11111 Common Vulnerability Exposure (CVE) ID: CVE-2017-17810 Common Vulnerability Exposure (CVE) ID: CVE-2017-17811 Common Vulnerability Exposure (CVE) ID: CVE-2017-17812 Common Vulnerability Exposure (CVE) ID: CVE-2017-17813 Common Vulnerability Exposure (CVE) ID: CVE-2017-17814 Common Vulnerability Exposure (CVE) ID: CVE-2017-17815 Common Vulnerability Exposure (CVE) ID: CVE-2017-17816 Common Vulnerability Exposure (CVE) ID: CVE-2017-17817 Common Vulnerability Exposure (CVE) ID: CVE-2017-17818 Common Vulnerability Exposure (CVE) ID: CVE-2017-17819 Common Vulnerability Exposure (CVE) ID: CVE-2017-17820
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