According to the version of the avahi packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - avahi-daemon in Avahi through 0.6.32 and 0.7     inadvertently responds to IPv6 unicast queries with     source addresses that are not on-link, which allows     remote attackers to cause a denial of service (traffic     amplification) and may cause information leakage by     obtaining potentially sensitive information from the     responding device via port-5353 UDP packets.
    (CVE-2017-6519)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the version of the avahi packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability :

  - avahi-daemon in Avahi through 0.6.32 inadvertently     responds to IPv6 unicast queries with source addresses     that are not on-link, which allows remote attackers to     cause a denial of service (traffic amplification) or     obtain potentially sensitive information via port-5353     UDP packets. NOTE: this may overlap     CVE-2015-2809.(CVE-2017-6519)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

* avahi: Multicast DNS responds to unicast queries outside of local network

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - avahi-daemon in Avahi through 0.6.32 and 0.7 inadvertently responds to IPv6 unicast queries with source     addresses that are not on-link, which allows remote attackers to cause a denial of service (traffic     amplification) and may cause information leakage by obtaining potentially sensitive information from the     responding device via port-5353 UDP packets. NOTE: this may overlap CVE-2015-2809. (CVE-2017-6519)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote MiracleLinux 7 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2020-4548:01 advisory.

    * avahi: Multicast DNS responds to unicast queries outside of local network (CVE-2017-6519)

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has avahi packages installed that are affected by a vulnerability:

  - avahi-daemon in Avahi through 0.6.32 and 0.7 inadvertently responds to IPv6 unicast queries with source     addresses that are not on-link, which allows remote attackers to cause a denial of service (traffic     amplification) and may cause information leakage by obtaining potentially sensitive information from the     responding device via port-5353 UDP packets. NOTE: this may overlap CVE-2015-2809. (CVE-2017-6519)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has avahi packages installed that are affected by a vulnerability:

  - avahi-daemon in Avahi through 0.6.32 and 0.7 inadvertently responds to IPv6 unicast queries with source     addresses that are not on-link, which allows remote attackers to cause a denial of service (traffic     amplification) and may cause information leakage by obtaining potentially sensitive information from the     responding device via port-5353 UDP packets. NOTE: this may overlap CVE-2015-2809. (CVE-2017-6519)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of AOS installed on the remote host is prior to 5.18. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-5.18 advisory.

  - When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to     Apache Tomcat. Tomcat treats AJP connections as having higher trust than, for example, a similar HTTP     connection. If such connections are available to an attacker, they can be exploited in ways that may be     surprising. In Apache Tomcat 9.0.0.M1 to 9.0.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99, Tomcat shipped     with an AJP Connector enabled by default that listened on all configured IP addresses. It was expected     (and recommended in the security guide) that this Connector would be disabled if not required. This     vulnerability report identified a mechanism that allowed: - returning arbitrary files from anywhere in the     web application - processing any file in the web application as a JSP Further, if the web application     allowed file upload and stored those files within the web application (or the attacker was able to control     the content of the web application by some other means) then this, along with the ability to process a     file as a JSP, made remote code execution possible. It is important to note that mitigation is only     required if an AJP port is accessible to untrusted users. Users wishing to take a defence-in-depth     approach and block the vector that permits returning arbitrary files and execution as JSP may upgrade to     Apache Tomcat 9.0.31, 8.5.51 or 7.0.100 or later. A number of changes were made to the default AJP     Connector configuration in 9.0.31 to harden the default configuration. It is likely that users upgrading     to 9.0.31, 8.5.51 or 7.0.100 or later will need to make small changes to their configurations.
    (CVE-2020-1938)

  - rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel through 5.3.6 lacks a     certain upper-bound check, leading to a buffer overflow. (CVE-2019-17666)

  - The Linux kernel before 5.1-rc5 allows page->_refcount reference count overflow, with resultant use-after-     free issues, if about 140 GiB of RAM exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c,     include/linux/mm.h, include/linux/pipe_fs_i.h, kernel/trace/trace.c, mm/gup.c, and mm/hugetlb.c. It can     occur with FUSE requests. (CVE-2019-11487)

  - A flaw was found in the fix for CVE-2019-11135, in the Linux upstream kernel versions before 5.5 where,     the way Intel CPUs handle speculative execution of instructions when a TSX Asynchronous Abort (TAA) error     occurs. When a guest is running on a host CPU affected by the TAA flaw (TAA_NO=0), but is not affected by     the MDS issue (MDS_NO=1), the guest was to clear the affected buffers by using a VERW instruction     mechanism. But when the MDS_NO=1 bit was exported to the guests, the guests did not use the VERW mechanism     to clear the affected buffers. This issue affects guests running on Cascade Lake CPUs and requires that     host has 'TSX' enabled. Confidentiality of data is the highest threat associated with this vulnerability.
    (CVE-2019-19338)

  - The xz_decomp function in xzlib.c in libxml2 2.9.1 does not properly detect compression errors, which     allows context-dependent attackers to cause a denial of service (process hang) via crafted XML data.
    (CVE-2015-8035)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
126267	EulerOS 2.0 SP8 : avahi (EulerOS-SA-2019-1640)	Nessus	Huawei Local Security Checks	2019/6/27	2024/5/14	critical
135612	EulerOS Virtualization 3.0.2.2 : avahi (EulerOS-SA-2020-1450)	Nessus	Huawei Local Security Checks	2020/4/16	2024/3/15	critical
135799	Scientific Linux Security Update : avahi on SL7.x x86_64 (20200407)	Nessus	Scientific Linux Local Security Checks	2020/4/21	2024/3/15	critical
221600	Linux Distros Unpatched Vulnerability : CVE-2017-6519	Nessus	Misc.	2025/3/4	2025/9/4	critical
294020	MiracleLinux 7 : avahi-0.6.31-20.el7 (AXSA:2020-4548:01)	Nessus	Miracle Linux Local Security Checks	2026/1/20	2026/1/20	critical
126861	EulerOS 2.0 SP2 : avahi (EulerOS-SA-2019-1734)	Nessus	Huawei Local Security Checks	2019/7/22	2024/5/9	critical
129231	EulerOS 2.0 SP3 : avahi (EulerOS-SA-2019-2038)	Nessus	Huawei Local Security Checks	2019/9/24	2024/4/23	critical
143938	NewStart CGSL CORE 5.04 / MAIN 5.04 : avahi Vulnerability (NS-SA-2020-0058)	Nessus	NewStart CGSL Local Security Checks	2020/12/9	2024/2/5	critical
143959	NewStart CGSL CORE 5.05 / MAIN 5.05 : avahi Vulnerability (NS-SA-2020-0088)	Nessus	NewStart CGSL Local Security Checks	2020/12/9	2024/2/5	critical
164595	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-5.18)	Nessus	Misc.	2022/9/1	2025/9/1	critical

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