options.c in atftp before 0.7.5 reads past the end of an array, and consequently discloses server-side /etc/group data to a remote client.

The remote Ubuntu 16.04 ESM / 18.04 ESM / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6334-1 advisory.

    Peter Wang discovered that atftp did not properly manage certain inputs. A remote attacker could send a     specially crafted tftp request to the server to cause a crash. (CVE-2020-6097)

    Andreas B. Mundt discovered that atftp did not properly manage certain inputs. A remote attacker could     send a specially crafted tftp request to the server to cause a crash. (CVE-2021-41054)

    Johannes Krupp discovered that atftp did not properly manage certain inputs. A remote attacker could send     a specially crafted tftp request to the server and make the server to disclose /etc/group data.
    (CVE-2021-46671)

Tenable has extracted the preceding description block directly from the Ubuntu 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 Debian 9 host has packages installed that are affected by a vulnerability as referenced in the dla-3028 advisory.

  - options.c in atftp before 0.7.5 reads past the end of an array, and consequently discloses server-side     /etc/group data to a remote client. (CVE-2021-46671)

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 SLES12 / SLES_SAP12 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2022:0881-1 advisory.

  - options.c in atftp before 0.7.5 reads past the end of an array, and consequently discloses server-side     /etc/group data to a remote client. (CVE-2021-46671)

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
180471	Ubuntu 16.04 ESM / 18.04 ESM / 20.04 LTS : atftp vulnerabilities (USN-6334-1)	Nessus	Ubuntu Local Security Checks	medium
161624	Debian DLA-3028-1 : atftp - LTS security update	Nessus	Debian Local Security Checks	medium
159028	SUSE SLES12 Security Update : atftp (SUSE-SU-2022:0881-1)	Nessus	SuSE Local Security Checks	medium

Detections

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CVE-2021-46671

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Tenable Plugins

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