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CVE-2017-20006

Date: June 30, 2021

UnRAR 5.6.1.2 and 5.6.1.3 has a heap-based buffer overflow in Unpack::CopyString (called from Unpack::Unpack5 and CmdExtract::ExtractCurrentFile).

Language: C++

Severity Score

7.8

Related Resources (6)

Url: https://nvd.nist.gov/vuln/detail/CVE-2017-20006

Url: https://security-tracker.debian.org/tracker/CVE-2017-20006

Url: https://github.com/aawc/unrar/commit/0ff832d31470471803b175cfff4e40c1b08ee779

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4373

Url: https://github.com/google/oss-fuzz-vulns/blob/main/vulns/unrar/OSV-2017-104.yaml

Url: https://www.mend.io/vulnerability-database/CVE-2017-20006

Severity Score

7.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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