An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.

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

  - An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which     will lead to a denial-of-service. (CVE-2020-18770)

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

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2024:0209 advisory.

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

    CVE-2020-18770:
    An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which     will lead to a denial-of-service.

Tenable has extracted the preceding description block directly from the Tencent Linux 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 Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2024:0136 advisory.

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

    CVE-2020-18770:
    An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which     will lead to a denial-of-service.

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux 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 RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2024:2377 advisory.

    * zziplib: invalid memory access at zzip_disk_entry_to_file_header in mmapped.c (CVE-2020-18770)

Tenable has extracted the preceding description block directly from the RockyLinux 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 version of zziplib installed on the remote host is prior to 0.13.62-12. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2024-2689 advisory.

    An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which     will lead to a denial-of-service. (CVE-2020-18770)

Tenable has extracted the preceding description block directly from the tested product 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 Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2024-3127 advisory.

    - Fix CVE-2020-18770       Previous patch contained segfault bug       Resolves: RHEL-14966

Tenable has extracted the preceding description block directly from the Oracle Linux 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 Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:3127 advisory.

    The zziplib is a lightweight library to easily extract data from zip files.

    Security Fix(es):

    * zziplib: invalid memory access at zzip_disk_entry_to_file_header in mmapped.c (CVE-2020-18770)

    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.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.10 Release Notes     linked from 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 this issue but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2024-2377 advisory.

    - Fix CVE-2020-18770       Previous patch was causing segfault       Resolves: RHEL-14967

Tenable has extracted the preceding description block directly from the Oracle Linux 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 Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:2377 advisory.

    The zziplib is a lightweight library to easily extract data from zip files.

    Security Fix(es):

    * zziplib: invalid memory access at zzip_disk_entry_to_file_header in mmapped.c (CVE-2020-18770)

    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.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.4 Release Notes     linked from 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 this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:0970-1 advisory.

  - Infinite Loop in zziplib v0.13.69 allows remote attackers to cause a denial of service via the return     value zzip_file_read in the function unzzip_cat_file. (CVE-2020-18442)

  - An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which     will lead to a denial-of-service. (CVE-2020-18770)

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

The remote SUSE Linux SLED12 / SLED_SAP12 / SLES12 / SLES_SAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2024:0961-1 advisory.

  - An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which     will lead to a denial-of-service. (CVE-2020-18770)

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

ID	Name	Product	Family	Severity
255385	Linux Distros Unpatched Vulnerability : CVE-2020-18770	Nessus	Misc.	medium
239866	TencentOS Server 3: zziplib (TSSA-2024:0209)	Nessus	Tencent Local Security Checks	medium
236228	Alibaba Cloud Linux 3 : 0136: zziplib (ALINUX3-SA-2024:0136)	Nessus	Alibaba Cloud Linux Local Security Checks	medium
235532	RockyLinux 9 : zziplib (RLSA-2024:2377)	Nessus	Rocky Linux Local Security Checks	medium
210092	Amazon Linux 2 : zziplib (ALAS-2024-2689)	Nessus	Amazon Linux Local Security Checks	medium
197990	Oracle Linux 8 : zziplib (ELSA-2024-3127)	Nessus	Oracle Linux Local Security Checks	medium
197761	RHEL 8 : zziplib (RHSA-2024:3127)	Nessus	Red Hat Local Security Checks	medium
195035	Oracle Linux 9 : zziplib (ELSA-2024-2377)	Nessus	Oracle Linux Local Security Checks	medium
194762	RHEL 9 : zziplib (RHSA-2024:2377)	Nessus	Red Hat Local Security Checks	medium
192496	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : zziplib (SUSE-SU-2024:0970-1)	Nessus	SuSE Local Security Checks	medium
192494	SUSE SLED12 / SLES12 Security Update : zziplib (SUSE-SU-2024:0961-1)	Nessus	SuSE Local Security Checks	medium

Detections

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CVE-2020-18770

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