Vulnerability Details : CVE-2017-7890
The GIF decoding function gdImageCreateFromGifCtx in gd_gif_in.c in the GD Graphics Library (aka libgd), as used in PHP before 5.6.31 and 7.x before 7.1.7, does not zero colorMap arrays before use. A specially crafted GIF image could use the uninitialized tables to read ~700 bytes from the top of the stack, potentially disclosing sensitive information.
Vulnerability category: Information leak
Threat overview for CVE-2017-7890
Top countries where our scanners detected CVE-2017-7890
Top open port discovered on systems with this issue
80
IPs affected by CVE-2017-7890 174,287
Threat actors abusing to this issue?
Yes
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affected by CVE-2017-7890!
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Exploit prediction scoring system (EPSS) score for CVE-2017-7890
Probability of exploitation activity in the next 30 days: 29.79%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 96 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-7890
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST |
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2017-7890
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-7890
-
https://access.redhat.com/errata/RHSA-2018:0406
RHSA-2018:0406 - Security Advisory - Red Hat Customer Portal
-
https://www.tenable.com/security/tns-2017-12
[R1] SecurityCenter 5.3.2, 5.4.0, 5.4.2, 5.4.5, 5.5.0, and 5.5.1 Fixes Multiple Vulnerabilities - Security Advisory | TenableĀ®
-
https://access.redhat.com/errata/RHSA-2018:1296
RHSA-2018:1296 - Security Advisory - Red Hat Customer Portal
-
https://bugs.php.net/bug.php?id=74435
PHP :: Sec Bug #74435 :: Buffer over-read into uninitialized memoryPatch;Vendor Advisory
-
https://security.netapp.com/advisory/ntap-20180112-0001/
September 2017 PHP Vulnerabilities in NetApp Products | NetApp Product Security
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https://bugs.php.net/patch-display.php?bug=74435&patch=fix-74435-php-7.0&revision=1497970038
PHP :: Bug #74435 :: PatchesIssue Tracking;Patch;Vendor Advisory
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http://www.securityfocus.com/bid/99492
PHP 'gd_gif_in.c' Memory Corruption VulnerabilityThird Party Advisory;VDB Entry
-
http://www.debian.org/security/2017/dsa-3938
Debian -- Security Information -- DSA-3938-1 libgd2
-
http://php.net/ChangeLog-7.php
PHP: PHP 7 ChangeLogRelease Notes;Vendor Advisory
-
http://php.net/ChangeLog-5.php
PHP: PHP 5 ChangeLogRelease Notes;Vendor Advisory
Products affected by CVE-2017-7890
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.15:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.16:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.20:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.18:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.19:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.1.4:*:*:*:*:*:*:*