Vulnerability Details : CVE-2016-3945
Multiple integer overflows in the (1) cvt_by_strip and (2) cvt_by_tile functions in the tiff2rgba tool in LibTIFF 4.0.6 and earlier, when -b mode is enabled, allow remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted TIFF image, which triggers an out-of-bounds write.
Vulnerability category: OverflowMemory CorruptionExecute codeDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2016-3945
Probability of exploitation activity in the next 30 days: 0.37%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 69 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2016-3945
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2016-3945
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The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.Assigned by: nvd@nist.gov (Primary)
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The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-3945
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http://rhn.redhat.com/errata/RHSA-2016-1546.html
RHSA-2016:1546 - Security Advisory - Red Hat Customer Portal
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http://lists.opensuse.org/opensuse-updates/2016-09/msg00039.html
openSUSE-SU-2016:2275-1: moderate: Security update for tiff
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http://bugzilla.maptools.org/show_bug.cgi?id=2545
Bug 2545 – [PATCH] CVE-2016-3945: out-of-bounds write in the tiff2rgba toolIssue Tracking
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http://www.securityfocus.com/bid/85960
LibTIFF CVE-2016-3945 Arbitrary Command Execution VulnerabilityThird Party Advisory;VDB Entry
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https://bugzilla.redhat.com/show_bug.cgi?id=1325093
1325093 – (CVE-2016-3945) CVE-2016-3945 libtiff: out-of-bounds write in the tiff2rgba toolIssue Tracking
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https://security.gentoo.org/glsa/201701-16
libTIFF: Multiple vulnerabilities (GLSA 201701-16) — Gentoo security
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http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Oracle VM Server for x86 Bulletin - July 2016Patch;Third Party Advisory
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http://rhn.redhat.com/errata/RHSA-2016-1547.html
RHSA-2016:1547 - Security Advisory - Red Hat Customer Portal
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http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Oracle Linux Bulletin - July 2016
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http://www.openwall.com/lists/oss-security/2016/04/08/6
oss-security - CVE-2016-3945 libtiff: Out-of-bounds Write in the tiff2rgba toolMailing List;Third Party Advisory
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http://www.debian.org/security/2017/dsa-3762
Debian -- Security Information -- DSA-3762-1 tiff
Products affected by CVE-2016-3945
- cpe:2.3:o:oracle:vm_server:3.3:*:*:*:*:*:x86:*
- cpe:2.3:o:oracle:vm_server:3.4:*:*:*:*:*:x86:*
- cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:*