According to the versions of the unzip package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can     lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file,     leading to a crash or code execution. (CVE-2021-4217)

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 versions of the unzip package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can     lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file,     leading to a crash or code execution. (CVE-2021-4217)

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.

An update of the unzip package has been released.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-029 advisory.

    A flaw was found in unzip.  The vulnerability occurs due to improper handling of Unicode strings, which     can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip     file, leading to a crash or code execution. (CVE-2021-4217)

    A flaw was found in Unzip. The vulnerability occurs during the conversion of a wide string to a local     string that leads to a heap of out-of-bound write. This flaw allows an attacker to input a specially     crafted zip file, leading to a crash or code execution. (CVE-2022-0529)

    A flaw was found in Unzip. The vulnerability occurs during the conversion of a UTF-8 string to a local     string that leads to a segmentation fault. This flaw allows an attacker to input a specially crafted zip     file, leading to a crash or code execution. (CVE-2022-0530)

Tenable has extracted the preceding description block directly from the tested product 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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can     lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file,     leading to a crash or code execution. (CVE-2021-4217)

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
168988	EulerOS 2.0 SP10 : unzip (EulerOS-SA-2022-2834)	Nessus	Huawei Local Security Checks	2022/12/21	2023/9/12	low
169874	EulerOS Virtualization 2.9.0 : unzip (EulerOS-SA-2023-1237)	Nessus	Huawei Local Security Checks	2023/1/11	2023/9/8	low
332628	Photon OS 5.0: Unzip PHSA-2023-5.0-91-0057	Nessus	PhotonOS Local Security Checks	2026/8/5	2026/8/5	high
173164	Amazon Linux 2023 : unzip (ALAS2023-2023-029)	Nessus	Amazon Linux Local Security Checks	2023/3/21	2024/12/11	medium
168990	EulerOS 2.0 SP10 : unzip (EulerOS-SA-2022-2860)	Nessus	Huawei Local Security Checks	2022/12/21	2023/9/12	low
256910	Linux Distros Unpatched Vulnerability : CVE-2021-4217	Nessus	Misc.	2025/8/27	2026/9/2	low

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