by Kastro
Paper/Archive/CVE-2021-27419

CVE-2021-27419

uClibc-ng uClibc-ng — uClibc-ng Integer Overflow or Wraparound

EPSS 2%CVSS 9.8
critical.is priorityof 100
45
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 77.5.775 × 2015.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

uClibc-ng versions prior to 1.0.37 are vulnerable to integer wrap-around in functions malloc-simple. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

Affected

ProductAffectedFixed inSource
uClibc-ngunspecified – < 1.0.371.0.37CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
icscert (CNA)7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

refcisa.gov/uscert/ics/advisories/icsa-21-119-04refdownloads.uclibc-ng.org/releases