Out-of-Bounds Read Vulnerability in UnRAR by RARLab
CVE-2017-12941

9.8CRITICAL

Key Information:

Vendor
Rarlab
Status
Unrar
Vendor
CVE Published:
18 August 2017

Summary

An out-of-bounds read vulnerability exists in the libunrar.a component of UnRAR prior to version 5.5.7. This flaw occurs in the Unpack::Unpack20 function, potentially allowing an attacker to read sensitive data outside the intended memory boundaries. As a result, this may lead to information disclosure or other unintended behaviors in applications utilizing this library.

References

http://seclists.org/oss-sec/2017/q3/290
x_refsource_MISC
https://kc.mcafee.com/corporate/index?page=content&id=SB1...
x_refsource_CONFIRM
https://security.gentoo.org/glsa/201709-24
vendor-advisoryx_refsource_GENTOO

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.