Heap-Based Buffer Overflow in Mozilla Network Security Services
CVE-2017-11695

7.8HIGH

Key Information:

Vendor
Mozilla
Status
Network Security Services
Vendor
CVE Published:
27 December 2017

Summary

A vulnerability exists in Mozilla Network Security Services (NSS) due to a heap-based buffer overflow in the alloc_segs function, located in the file lib/dbm/src/hash.c. This flaw allows attackers to exploit the system through a specially crafted cert8.db file. Successful exploitation of this vulnerability could lead to unpredictable behavior, potentially enabling an attacker to manipulate the underlying system context.

References

http://www.securitytracker.com/id/1039153
vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/100345
vdb-entryx_refsource_BID
http://www.geeknik.net/9brdqk6xu
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.