by Kastro
Paper/Archive/CVE-2021-21946

CVE-2021-21946

Accusoft ImageGear — Two heap-based buffer overflow vulnerabilities exists in the JPEG-JFIF lossless Huffman image parser functionality of Accusoft ImageGear…

EPSS 1%public exploitCVSS 9.8
critical.is priorityof 100
52
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 65.2.652 × 2013.0Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

Two heap-based buffer overflow vulnerabilities exists in the JPEG-JFIF lossless Huffman image parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger these vulnerabilities.This heap-based buffer overflow takes place when the `SOF3` precision is lower than 9.

Affected

ProductAffectedFixed inSource
ImageGear19.10–CNA

Scores by source

talos (CNA)9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

reftalosintelligence.com/vulnerability_reports/TALOS-2021-1375