High severity · published Jul 30, 2017
CVE-2017-11742
The writeRandomBytes_RtlGenRandom function in xmlparse.c in libexpat in Expat 2.2.1 and 2.2.2 on Windows allows local users to gain privileges via a Trojan horse ADVAPI32.DLL in…
7.8
CVSS
0.5%
EPSS
No
On KEV
Description
The writeRandomBytes_RtlGenRandom function in xmlparse.c in libexpat in Expat 2.2.1 and 2.2.2 on Windows allows local users to gain privileges via a Trojan horse ADVAPI32.DLL in the current working directory because of an untrusted search path, aka DLL hijacking.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libexpat · Libexpat Project
2.2.1; 2.2.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-11742
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-11742
Third Party Advisory
http://www.securityfocus.com/bid/100147
Issue Tracking
https://github.com/libexpat/libexpat/issues/82
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