Out-of-Bounds Read in UnRAR Affects Multiple Versions
CVE-2017-12940

9.8CRITICAL

Key Information:

Vendor

Rarlab

Status
Unrar
Vendor
CVE Published:
18 August 2017

What is CVE-2017-12940?

libunrar.a in UnRAR versions before 5.5.7 is susceptible to an out-of-bounds read vulnerability in the EncodeFileName::Decode call within the Archive::ReadHeader15 function. This flaw may allow attackers to read memory outside the intended buffer, potentially exposing sensitive information.

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

.