An update of the bindutils package has been released.

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2024:0227 advisory.

    Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:

    CVE-2023-4408:
    A flaw was found in the bind package. This issue may allow a remote attacker with no specific privileges     to craft a specially long DNS message leading to an excessive and uncontrolled CPU usage, the server being     unavailable, and a Denial of Service.

    CVE-2023-50387:
    Processing specially crafted responses coming from DNSSEC-signed zones can lead to uncontrolled CPU usage,     leading to a Denial of Service in the DNSSEC-validating resolver side.

    This vulnerability applies only for systems where DNSSEC validation is enabled.

    CVE-2023-50868:
    A flaw was found in bind9. By flooding a DNSSEC resolver with responses coming from a DNSEC-signed zone     using NSEC3, an attacker can lead the targeted resolver to a CPU exhaustion, further leading to a Denial     of Service on the targeted host.

    This vulnerability applies only for systems where DNSSEC validation is enabled.

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

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

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-8142:01 advisory.

    * bind: KeyTrap - Extreme CPU consumption in DNSSEC validator (CVE-2023-50387)
      * bind: Preparing an NSEC3 closest encloser proof can exhaust CPU resources (CVE-2023-50868)
      * bind: Parsing large DNS messages may cause excessive CPU load (CVE-2023-4408)

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

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

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-1782 advisory.

    - Speed up parsing of DNS messages with many different names (CVE-2023-4408)
    - Prevent increased CPU consumption in DNSSEC validator (CVE-2023-50387 CVE-2023-50868)

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

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

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-1781 advisory.

    - Prevent crashing at masterformat system test (CVE-2023-6516)
    - Prevent increased CPU load on large DNS messages (CVE-2023-4408)
    - Prevent assertion failure when nxdomain-redirect is used with      RFC 1918 reverse zones (CVE-2023-5517)
    - Prevent assertion failure if DNS64 and serve-stale is used (CVE-2023-5679)
    - Specific recursive query patterns may lead to an out-of-memory       condition (CVE-2023-6516)
    - Prevent increased CPU consumption in DNSSEC validator (CVE-2023-50387       CVE-2023-50868)
    - Add downstream change complementing CVE-2023-50387
    - Limit the amount of recursion possible in control channel (CVE-2023-3341)

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

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

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:3741 advisory.

    The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols.
    BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing     with DNS); and tools for verifying that the DNS server is operating correctly.

    Bind-dyndb-ldap provides an LDAP back-end plug-in for BIND. It features support for dynamic updates and     internal caching, to lift the load off of your LDAP server.

    The Dynamic Host Configuration Protocol (DHCP) is a protocol that allows individual devices on an IP     network to get their own network configuration information, including an IP address, a subnet mask, and a     broadcast address. The dhcp packages provide a relay agent and ISC DHCP service required to enable and     administer DHCP on a network.

    Security Fix(es):

    * bind: KeyTrap - Extreme CPU consumption in DNSSEC validator (CVE-2023-50387)

    * bind: Preparing an NSEC3 closest encloser proof can exhaust CPU resources (CVE-2023-50868)

    * bind: Parsing large DNS messages may cause excessive CPU load (CVE-2023-4408)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2024:0094 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    CVE-2023-4408:
    The DNS message parsing code in `named` includes a section whose computational complexity is overly high.
    It does not cause problems for typical DNS traffic, but crafted queries and responses may cause excessive     CPU load on the affected `named` instance by exploiting this flaw. This issue affects both authoritative     servers and recursive resolvers.
    This issue affects BIND 9 versions 9.0.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19,     9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.

    CVE-2023-50387:
    Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote     attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the     KeyTrap issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the     protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG     records.

    CVE-2023-50868:
    The Closest Encloser Proof aspect of the DNS protocol (in RFC 5155 when RFC 9276 guidance is skipped)     allows remote attackers to cause a denial of service (CPU consumption for SHA-1 computations) via DNSSEC     responses in a random subdomain attack, aka the NSEC3 issue. The RFC 5155 specification implies that an     algorithm must perform thousands of iterations of a hash function in certain situations.

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux security advisory.

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

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:2720 advisory.

    The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols.
    BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing     with DNS); and tools for verifying that the DNS server is operating correctly.

    The Dynamic Host Configuration Protocol (DHCP) is a protocol that allows individual devices on an IP     network to get their own network configuration information, including an IP address, a subnet mask, and a     broadcast address. The dhcp packages provide a relay agent and ISC DHCP service required to enable and     administer DHCP on a network.

    Security Fix(es):

    * bind: KeyTrap - Extreme CPU consumption in DNSSEC validator (CVE-2023-50387)

    * bind: Preparing an NSEC3 closest encloser proof can exhaust CPU resources (CVE-2023-50868)

    * bind: Parsing large DNS messages may cause excessive CPU load (CVE-2023-4408)

    * bind: flooding with UPDATE requests may lead to DoS (CVE-2022-3094)

    * bind: processing large delegations may severely degrade resolver performance (CVE-2022-2795)

    * bind: DNS forwarders - cache poisoning vulnerability (CVE-2021-25220)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues 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 7.0. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-7.0 advisory.

  - squashfs_opendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different     vulnerability than CVE-2021-40153. A squashfs filesystem that has been crafted to include a symbolic link     and then contents under the same filename in a filesystem can cause unsquashfs to first create the     symbolic link pointing outside the expected directory, and then the subsequent write operation will cause     the unsquashfs process to write through the symbolic link elsewhere in the filesystem. (CVE-2021-41072)

  - An issue was discovered in libexpat before 2.6.3. nextScaffoldPart in xmlparse.c can have an integer     overflow for m_groupSize on 32-bit platforms (where UINT_MAX equals SIZE_MAX). (CVE-2024-45492)

  - A vulnerability was found in libndp. This flaw allows a local malicious user to cause a buffer overflow in     NetworkManager, triggered by sending a malformed IPv6 router advertisement packet. This issue occurred as     libndp was not correctly validating the route length information. (CVE-2024-5564)

  - Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of     service via HTML in a crafted package or custom PackageIndex page. There is a Regular Expression Denial of     Service (ReDoS) in package_index.py. (CVE-2022-40897)

  - cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. In     affected versions `Cipher.update_into` would accept Python objects which implement the buffer protocol,     but provide only immutable buffers. This would allow immutable objects (such as `bytes`) to be mutated,     thus violating fundamental rules of Python and resulting in corrupted output. This now correctly raises an     exception. This issue has been present since `update_into` was originally introduced in cryptography 1.8.
    (CVE-2023-23931)

Note that Nessus has not tested for these issues 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 6.8.1. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-6.8.1 advisory.

  - There is a carry propagation bug in the MIPS32 and MIPS64 squaring procedure. Many EC algorithms are     affected, including some of the TLS 1.3 default curves. Impact was not analyzed in detail, because the     pre-requisites for attack are considered unlikely and include reusing private keys. Analysis suggests that     attacks against RSA and DSA as a result of this defect would be very difficult to perform and are not     believed likely. Attacks against DH are considered just feasible (although very difficult) because most of     the work necessary to deduce information about a private key may be performed offline. The amount of     resources required for such an attack would be significant. However, for an attack on TLS to be     meaningful, the server would have to share the DH private key among multiple clients, which is no longer     an option since CVE-2016-0701. This issue affects OpenSSL versions 1.0.2, 1.1.1 and 3.0.0. It was     addressed in the releases of 1.1.1m and 3.0.1 on the 15th of December 2021. For the 1.0.2 release it is     addressed in git commit 6fc1aaaf3 that is available to premium support customers only. It will be made     available in 1.0.2zc when it is released. The issue only affects OpenSSL on MIPS platforms. Fixed in     OpenSSL 3.0.1 (Affected 3.0.0). Fixed in OpenSSL 1.1.1m (Affected 1.1.1-1.1.1l). Fixed in OpenSSL 1.0.2zc-     dev (Affected 1.0.2-1.0.2zb). (CVE-2021-4160)

  - CVE-2023-38545 is a heap-based buffer overflow vulnerability in the SOCKS5 proxy handshake in libcurl and     curl.  When curl is given a hostname to pass along to a SOCKS5 proxy that is greater than 255 bytes in     length, it will switch to local name resolution in order to resolve the address before passing it on to     the SOCKS5 proxy. However, due to a bug introduced in 2020, this local name resolution could fail due to a     slow SOCKS5 handshake, causing curl to pass on the hostname greater than 255 bytes in length into the     target buffer, leading to a heap overflow.  The advisory for CVE-2023-38545 gives an example exploitation     scenario of a malicious HTTPS server redirecting to a specially crafted URL. While it might seem that an     attacker would need to influence the slowness of the SOCKS5 handshake, the advisory states that server     latency is likely slow enough to trigger this bug. (CVE-2023-38545)

  - This flaw makes curl overflow a heap based buffer in the SOCKS5 proxy handshake. When curl is asked to     pass along the host name to the SOCKS5 proxy to allow that to resolve the address instead of it getting     done by curl itself, the maximum length that host name can be is 255 bytes. If the host name is detected     to be longer, curl switches to local name resolving and instead passes on the resolved address only. Due     to this bug, the local variable that means let the host resolve the name could get the wrong value     during a slow SOCKS5 handshake, and contrary to the intention, copy the too long host name to the target     buffer instead of copying just the resolved address there. The target buffer being a heap based buffer,     and the host name coming from the URL that curl has been told to operate with. (CVE-2023-38545)

  - An information disclosure vulnerability exists in curl <v8.1.0 when doing HTTP(S) transfers, libcurl might     erroneously use the read callback (`CURLOPT_READFUNCTION`) to ask for data to send, even when the     `CURLOPT_POSTFIELDS` option has been set, if the same handle previously wasused to issue a `PUT` request     which used that callback. This flaw may surprise the application and cause it to misbehave and either send     off the wrong data or use memory after free or similar in the second transfer. The problem exists in the     logic for a reused handle when it is (expected to be) changed from a PUT to a POST. (CVE-2023-28322)

  - This flaw allows an attacker to insert cookies at will into a running program using libcurl, if the     specific series of conditions are met. libcurl performs transfers. In its API, an application creates     easy handles that are the individual handles for single transfers. libcurl provides a function call that     duplicates en easy handle called     [curl_easy_duphandle](https://curl.se/libcurl/c/curl_easy_duphandle.html). If a transfer has cookies     enabled when the handle is duplicated, the cookie-enable state is also cloned - but without cloning the     actual cookies. If the source handle did not read any cookies from a specific file on disk, the cloned     version of the handle would instead store the file name as `none` (using the four ASCII letters, no     quotes). Subsequent use of the cloned handle that does not explicitly set a source to load cookies from     would then inadvertently load cookies from a file named `none` - if such a file exists and is readable in     the current directory of the program using libcurl. And if using the correct file format of course.
    (CVE-2023-38546)

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
203773	Photon OS 3.0: Bindutils PHSA-2024-3.0-0727	Nessus	PhotonOS Local Security Checks	2024/7/24	2025/12/24	high
204273	Photon OS 5.0: Bindutils PHSA-2024-5.0-0204	Nessus	PhotonOS Local Security Checks	2024/7/24	2025/12/24	high
239074	TencentOS Server 3: bind and dhcp (TSSA-2024:0227)	Nessus	Tencent Local Security Checks	2025/6/16	2025/11/20	high
293211	MiracleLinux 7 : bind-dyndb-ldap-11.1-7.el7.1, bind-9.11.4-26.P2.16.0.1.el7.AXS7, dhcp-4.2.5-83.2.0.1.el7.AXS7 (AXSA:2024-8142:01)	Nessus	Miracle Linux Local Security Checks	2026/1/20	2026/1/20	high
193258	Oracle Linux 8 : bind / and / dhcp (ELSA-2024-1782)	Nessus	Oracle Linux Local Security Checks	2024/4/12	2025/12/24	high
193262	Oracle Linux 8 : bind9.16 (ELSA-2024-1781)	Nessus	Oracle Linux Local Security Checks	2024/4/12	2025/12/24	high
200243	RHEL 7 : bind, bind-dyndb-ldap, and dhcp (RHSA-2024:3741)	Nessus	Red Hat Local Security Checks	2024/6/10	2025/12/24	high
235957	Alibaba Cloud Linux 3 : 0094: bind and dhcp (ALINUX3-SA-2024:0094)	Nessus	Alibaba Cloud Linux Local Security Checks	2025/5/14	2025/5/14	high
195112	RHEL 8 : bind and dhcp (RHSA-2024:2720)	Nessus	Red Hat Local Security Checks	2024/5/7	2025/12/24	medium
212124	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-7.0)	Nessus	Misc.	2024/12/6	2026/6/30	medium
202829	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-6.8.1)	Nessus	Misc.	2024/7/22	2025/11/5	medium

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