DLL Hijacking Vulnerability in Expat Library for Windows
CVE-2017-11742

7.8HIGH

Key Information:

Vendor
Libexpat Project
Status
Libexpat
Vendor
CVE Published:
30 July 2017

Summary

The libexpat library versions 2.2.1 and 2.2.2 on Windows contain a vulnerability in the writeRandomBytes_RtlGenRandom function located in xmlparse.c. This enables local users to exploit the untrusted search path through the use of a Trojan horse ADVAPI32.DLL placed in the current working directory. As a result, attackers can gain unauthorized privileges, posing a significant security threat.

References

https://github.com/libexpat/libexpat/issues/82
x_refsource_CONFIRM
http://www.securityfocus.com/bid/100147
vdb-entryx_refsource_BID

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

.