Critical severity · published Feb 19, 2018
CVE-2017-7376
Buffer overflow in libxml2 allows remote attackers to execute arbitrary code by leveraging an incorrect limit for port values when handling redirects
9.8
CVSS
23.2%
EPSS
No
On KEV
Description
Buffer overflow in libxml2 allows remote attackers to execute arbitrary code by leveraging an incorrect limit for port values when handling redirects.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)23.2% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AN
Android · Google
4.4.4; 5.0.2; 5.1.1; 6.0; 6.0.1; 7.0; +2 more · source: NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
LI
Libxml2 · Xmlsoft
before 2.9.5 · source: NVD
SS
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-7376
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-7376
Third Party Advisory
http://www.securityfocus.com/bid/98877
Third Party Advisory
http://www.securitytracker.com/id/1038623
Patch
https://android.googlesource.com/platform/external/libxml2/+/51e0cb2e5ec18eaf6fb331bc573ff27b743898f4
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1462216
Patch
https://git.gnome.org/browse/libxml2/commit/?id=5dca9eea1bd4263bfa4d037ab2443de1cd730f7e
Third Party Advisory
https://source.android.com/security/bulletin/2017-06-01
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