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CVE-2021-42386

🗓️ 15 Nov 2021 21:08:15Reported by JFROGType

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk patter

Reporter	Title	Published	Views	Family All 54
UbuntuCve	CVE-2021-42386	15 Nov 202100:00	–	ubuntucve
NVD	CVE-2021-42386	15 Nov 202121:15	–	nvd
Debian CVE	CVE-2021-42386	15 Nov 202121:15	–	debiancve
Tenable Nessus	CBL Mariner 2.0 Security Update: busybox (CVE-2021-42386)	20 Mar 202300:00	–	nessus
Tenable Nessus	Amazon Linux AMI : busybox (ALAS-2022-1558)	19 Jan 202200:00	–	nessus
Tenable Nessus	Ubuntu 18.04 LTS / 20.04 LTS : BusyBox vulnerabilities (USN-5179-1)	8 Dec 202100:00	–	nessus
Tenable Nessus	EulerOS 2.0 SP10 : busybox (EulerOS-SA-2022-1472)	20 Apr 202200:00	–	nessus
Tenable Nessus	EulerOS 2.0 SP9 : busybox (EulerOS-SA-2022-1303)	2 Mar 202200:00	–	nessus
Tenable Nessus	EulerOS 2.0 SP9 : busybox (EulerOS-SA-2022-1287)	2 Mar 202200:00	–	nessus
Tenable Nessus	EulerOS 2.0 SP10 : busybox (EulerOS-SA-2022-1463)	20 Apr 202200:00	–	nessus

Nvd

Node

busybox busyboxRange1.16.0–1.33.1

Node

fedoraproject fedoraMatch33

fedoraproject fedoraMatch34

[
  {
    "vendor": "busybox",
    "product": "busybox",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "1.34.0",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]

Source	Link
jfrog	www.jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
security	www.security.netapp.com/advisory/ntap-20211223-0002/
lists	www.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/
claroty	www.claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog
lists	www.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/

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15 Nov 2021 21:15Current

7.2High risk

Vulners AI Score7.2

CVSS26.5

CVSS37.2

EPSS0.002

CWE-416