CVE-2020-7860 | BDVDB-2026-155249 Detail

EstsoftUnEGG

Description#

UnEGG v0.5 and eariler versions have a Integer overflow vulnerability, triggered when the user opens a malformed specific file that is mishandled by UnEGG. Attackers could exploit this and arbitrary code execution. This issue affects: Estsoft UnEGG 0.5 versions prior to 1.0 on linux.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-190 Integer Overflow or Wraparound

References#

https://www.altools.co.kr/Download/ALZip.aspx

Exploit#

No public exploit known

History#

Version 12021-06-11Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2021-06-11
Last modified: 2024-09-16

Vendor information

Vendor: Estsoft
Product: UnEGG

All Estsoft vulnerabilities

Score

7.8 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 58.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 0.5 and < 1.0
Fixed
1.0

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.8 High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).