CVE-2017-16932

parser.c in libxml2 before 2.9.5 does not prevent infinite recursion in parameter entities.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/GNOME/libxml2/commit/899a5d9f0ed13b8e32449a08a361e0de127dd961	Patch Third Party Advisory
https://bugzilla.gnome.org/show_bug.cgi?id=759579	Permissions Required
http://xmlsoft.org/news.html	Release Notes Vendor Advisory
https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html
https://blog.clamav.net/2018/07/clamav-01001-has-been-released.html
https://usn.ubuntu.com/3739-1/
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2022/04/msg00004.html

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*

Information

Published : 2017-11-23 13:29

Updated : 2022-04-08 16:15

NVD link : CVE-2017-16932

Mitre link : CVE-2017-16932

JSON object : View

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

Advertisement

Products Affected

xmlsoft

libxml2

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/GNOME/libxml2/commit/899a5d9f0ed13b8e32449a08a361e0de127dd961", "name": "https://github.com/GNOME/libxml2/commit/899a5d9f0ed13b8e32449a08a361e0de127dd961", "tags": ["Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://bugzilla.gnome.org/show_bug.cgi?id=759579", "name": "https://bugzilla.gnome.org/show_bug.cgi?id=759579", "tags": ["Permissions Required"], "refsource": "CONFIRM"}, {"url": "http://xmlsoft.org/news.html", "name": "http://xmlsoft.org/news.html", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html", "name": "[debian-lts-announce] 20171130 [SECURITY] [DLA 1194-1] libxml2 security update", "tags": [], "refsource": "MLIST"}, {"url": "https://blog.clamav.net/2018/07/clamav-01001-has-been-released.html", "name": "https://blog.clamav.net/2018/07/clamav-01001-has-been-released.html", "tags": [], "refsource": "CONFIRM"}, {"url": "https://usn.ubuntu.com/3739-1/", "name": "USN-3739-1", "tags": [], "refsource": "UBUNTU"}, {"url": "https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E", "name": "[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8", "tags": [], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E", "name": "[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8", "tags": [], "refsource": "MLIST"}, {"url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00004.html", "name": "[debian-lts-announce] 20220408 [SECURITY] [DLA 2972-1] libxml2 security update", "tags": [], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "parser.c in libxml2 before 2.9.5 does not prevent infinite recursion in parameter entities."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-835"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2017-16932", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": true, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2017-11-23T21:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "2.9.4"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-04-08T23:15Z"}