CVE-2016-3621

The LZWEncode function in tif_lzw.c in the bmp2tiff tool in LibTIFF 4.0.6 and earlier, when the "-c lzw" option is used, allows remote attackers to cause a denial of service (buffer over-read) via a crafted BMP image.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

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

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://bugzilla.maptools.org/show_bug.cgi?id=2565	Issue Tracking
http://www.openwall.com/lists/oss-security/2016/04/07/3	Third Party Advisory
https://security.gentoo.org/glsa/201701-16
http://www.securitytracker.com/id/1035508

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:*

Information

Published : 2016-10-03 09:09

Updated : 2017-09-02 18:29

NVD link : CVE-2016-3621

Mitre link : CVE-2016-3621

JSON object : View

CWE

CWE-125

Out-of-bounds Read

Advertisement

Products Affected

libtiff

libtiff

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://bugzilla.maptools.org/show_bug.cgi?id=2565", "name": "http://bugzilla.maptools.org/show_bug.cgi?id=2565", "tags": ["Issue Tracking"], "refsource": "MISC"}, {"url": "http://www.openwall.com/lists/oss-security/2016/04/07/3", "name": "[oss-security] 20160407 CVE-2016-3621 libtiff: Out-of-bounds Read in the bmp2tiff tool", "tags": ["Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://security.gentoo.org/glsa/201701-16", "name": "GLSA-201701-16", "tags": [], "refsource": "GENTOO"}, {"url": "http://www.securitytracker.com/id/1035508", "name": "1035508", "tags": [], "refsource": "SECTRACK"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The LZWEncode function in tif_lzw.c in the bmp2tiff tool in LibTIFF 4.0.6 and earlier, when the \"-c lzw\" option is used, allows remote attackers to cause a denial of service (buffer over-read) via a crafted BMP image."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-125"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2016-3621", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}}, "publishedDate": "2016-10-03T16:09Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "4.0.6"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2017-09-03T01:29Z"}