The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5310-1 advisory.

    Jan Engelhardt, Tavis Ormandy, and others discovered that the GNU C Library iconv feature incorrectly     handled certain input sequences. An attacker could possibly use this issue to cause the GNU C Library to     hang or crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu     20.04 LTS. (CVE-2016-10228, CVE-2019-25013, CVE-2020-27618, CVE-2020-29562, CVE-2021-3326)

    Jason Royes and Samuel Dytrych discovered that the GNU C Library incorrectly handled signed comparisons on     ARMv7 targets. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a     denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and     Ubuntu 20.04 LTS. (CVE-2020-6096)

    It was discovered that the GNU C Library nscd daemon incorrectly handled certain netgroup lookups. An     attacker could possibly use this issue to cause the GNU C Library to crash, resulting in a denial of     service. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-27645)

    It was discovered that the GNU C Library wordexp function incorrectly handled certain patterns. An     attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or     possibly obtain sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
    (CVE-2021-35942)

    It was discovered that the GNU C Library realpath function incorrectly handled return values. An attacker     could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 21.10.
    (CVE-2021-3998)

    It was discovered that the GNU C library getcwd function incorrectly handled buffers. An attacker could     use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute     arbitrary code. (CVE-2021-3999)

    It was discovered that the GNU C Library sunrpc module incorrectly handled buffer lengths. An attacker     could possibly use this issue to cause the GNU C Library to crash, resulting in a denial of service.
    (CVE-2022-23218, CVE-2022-23219)

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.

Detections

Analytics

Ubuntu 18.04 LTS / 20.04 LTS : GNU C Library vulnerabilities (USN-5310-1)

critical Nessus Plugin ID 158502

Version 1.6

Version 1.5

Version 1.4

Version 1.3

Version 1.3

Version 1.6 Aug 29, 2024, 4:23 PM CVSS metrics ("Cvssv4 score" set to 0.0) CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:POC/RL:OF/RC:C") CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:P/RL:O/RC:C") CVSSv2 severity (based on None, severity decreased from "High" to "Low") Detection (updated detection logic) Plugin metadata Plugin Feed: 202408291623
Version 1.5 Oct 16, 2023, 7:25 PM Detection Plugin metadata Plugin Feed: 202310161925
Version 1.4 Jul 11, 2023, 4:01 AM Exploit attributes ("Exploit available" set to "True". "Exploitability ease" changed from "No known exploits are available" to "Exploits are available") Detection CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:F/RL:OF/RC:C". "CVSSv3 temporal vector" set to "CVSS:3.0/E:F/RL:O/RC:C") Plugin Feed: 202307110401
Version 1.3 Jan 18, 2023, 9:01 AM Logic Changes (Added support for s390x) Plugin Feed: 202301180901
Version 1.3 Jul 11, 2023, 1:48 AM Exploit attributes ("Exploitability ease" changed from "No known exploits are available" to "Exploits are available") Exploit attributes ("Exploit available" set to "True") Detection CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:F/RL:O/RC:C") CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:F/RL:OF/RC:C") Plugin Feed: 202307110148