Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2016-3621
- cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-3621
0.57%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-3621
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2016-3621
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-3621
-
http://bugzilla.maptools.org/show_bug.cgi?id=2565
Bug 2565 – CVE-2016-3621: libtiff: Out-of-bounds Read in the bmp2tiff toolIssue Tracking
-
http://www.openwall.com/lists/oss-security/2016/04/07/3
oss-security - CVE-2016-3621 libtiff: Out-of-bounds Read in the bmp2tiff toolThird Party Advisory
-
https://security.gentoo.org/glsa/201701-16
libTIFF: Multiple vulnerabilities (GLSA 201701-16) — Gentoo security
-
http://www.securitytracker.com/id/1035508
LibTIFF Divide-by-Zero Error and Multiple Read Errors Let Remote Users Cause the Target Application to Crash - SecurityTracker
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