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CVE-2019-20805

Good to know:

Date: June 2, 2020

p_lx_elf.cpp in UPX before 3.96 has an integer overflow during unpacking via crafted values in a PT_DYNAMIC segment.

Language: C

Severity Score

5.5

Related Resources (5)

Url: https://github.com/upx/upx/issues/317

Url: https://security-tracker.debian.org/tracker/CVE-2019-20805

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-20805

Url: https://github.com/upx/upx/commit/8be9da8280dfa69d5df4417d4d81bda1cab78010

Url: https://www.mend.io/vulnerability-database/CVE-2019-20805

Severity Score

5.5

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

Top Fix

Upgrade Version

Upgrade to version 3.96

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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