VulnerabilityModified
CVE-2022-30065
A use-after-free in Busybox 1.35-x's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the copyvar function.
HIGH 7.8EPSS 1.24%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A use-after-free in Busybox 1.35-x's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the copyvar function.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.24% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- busybox/busybox · siemens/scalance sc622-2c firmware · siemens/scalance sc626-2c firmware · siemens/scalance sc632-2c firmware · siemens/scalance sc636-2c firmware · siemens/scalance sc642-2c firmware · siemens/scalance sc646-2c firmware
- Source
- cve@mitre.org
References
- https://bugs.busybox.net/show_bug.cgi?id=14781Exploit, Issue Tracking, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdfThird Party Advisory
- https://bugs.busybox.net/show_bug.cgi?id=14781Exploit, Issue Tracking, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdfThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.