Double Free Vulnerability in libarchive's RAR Decoder
CVE-2018-1000877

8.8HIGH

Key Information:

Vendor

Libarchive

Vendor
CVE Published:
20 December 2018

What is CVE-2018-1000877?

libarchive versions v3.1.0 and later introduce a double free vulnerability in the RAR decoder due to improper handling of memory allocation in the function parse_codes(). An attacker can exploit this issue by enticing victims to open specially crafted RAR archive files, leading to potential crashes or Denial of Service (DoS). This vulnerability emphasizes the importance of safeguarding data processing routines, particularly in widely-used libraries like libarchive.

References

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.