CVE-2016-7979

Ghostscript before 9.21 might allow remote attackers to bypass the SAFER mode protection mechanism and consequently execute arbitrary code by leveraging type confusion in .initialize_dsc_parser.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

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

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugs.ghostscript.com/show_bug.cgi?id=697190	Issue Tracking Patch
http://www.openwall.com/lists/oss-security/2016/10/05/15	Mailing List Patch
http://git.ghostscript.com/?p=ghostpdl.git;h=875a0095f37626a721c7ff57d606a0f95af03913	Patch
http://www.securityfocus.com/bid/95337	Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201702-31
http://www.debian.org/security/2016/dsa-3691
http://rhn.redhat.com/errata/RHSA-2017-0014.html
http://rhn.redhat.com/errata/RHSA-2017-0013.html

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:artifex:ghostscript:*:*:*:*:*:*:*:*

Information

Published : 2017-05-22 21:29

Updated : 2018-01-04 18:31

NVD link : CVE-2016-7979

Mitre link : CVE-2016-7979

JSON object : View

CWE

CWE-704

Incorrect Type Conversion or Cast

Advertisement

Products Affected

artifex

ghostscript

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://bugs.ghostscript.com/show_bug.cgi?id=697190", "name": "https://bugs.ghostscript.com/show_bug.cgi?id=697190", "tags": ["Issue Tracking", "Patch"], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2016/10/05/15", "name": "[oss-security] 20161005 Re: CVE Request - multiple ghostscript -dSAFER sandbox problems", "tags": ["Mailing List", "Patch"], "refsource": "MLIST"}, {"url": "http://git.ghostscript.com/?p=ghostpdl.git;h=875a0095f37626a721c7ff57d606a0f95af03913", "name": "http://git.ghostscript.com/?p=ghostpdl.git;h=875a0095f37626a721c7ff57d606a0f95af03913", "tags": ["Patch"], "refsource": "CONFIRM"}, {"url": "http://www.securityfocus.com/bid/95337", "name": "95337", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}, {"url": "https://security.gentoo.org/glsa/201702-31", "name": "GLSA-201702-31", "tags": [], "refsource": "GENTOO"}, {"url": "http://www.debian.org/security/2016/dsa-3691", "name": "DSA-3691", "tags": [], "refsource": "DEBIAN"}, {"url": "http://rhn.redhat.com/errata/RHSA-2017-0014.html", "name": "RHSA-2017:0014", "tags": [], "refsource": "REDHAT"}, {"url": "http://rhn.redhat.com/errata/RHSA-2017-0013.html", "name": "RHSA-2017:0013", "tags": [], "refsource": "REDHAT"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Ghostscript before 9.21 might allow remote attackers to bypass the SAFER mode protection mechanism and consequently execute arbitrary code by leveraging type confusion in .initialize_dsc_parser."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-704"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2016-7979", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "HIGH", "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}}, "publishedDate": "2017-05-23T04:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:artifex:ghostscript:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "9.20"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2018-01-05T02:31Z"}