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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.
Publish Date : 2017-08-02 Last Update Date : 2018-05-04
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 200

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2018:0406: php security update (Moderate) oval:com.redhat.rhsa:def:20180406 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2017-7890

# Product Type Vendor Product Version Update Edition Language
1 Application PHP PHP * * * * Version Details Vulnerabilities
2 Application PHP PHP 7.0.0 * * * Version Details Vulnerabilities
3 Application PHP PHP 7.0.1 * * * Version Details Vulnerabilities
4 Application PHP PHP 7.0.2 * * * Version Details Vulnerabilities
5 Application PHP PHP 7.0.3 * * * Version Details Vulnerabilities
6 Application PHP PHP 7.0.4 * * * Version Details Vulnerabilities
7 Application PHP PHP 7.0.5 * * * Version Details Vulnerabilities
8 Application PHP PHP 7.0.6 * * * Version Details Vulnerabilities
9 Application PHP PHP 7.0.7 * * * Version Details Vulnerabilities
10 Application PHP PHP 7.0.8 * * * Version Details Vulnerabilities
11 Application PHP PHP 7.0.9 * * * Version Details Vulnerabilities
12 Application PHP PHP 7.0.10 * * * Version Details Vulnerabilities
13 Application PHP PHP 7.0.11 * * * Version Details Vulnerabilities
14 Application PHP PHP 7.0.12 * * * Version Details Vulnerabilities
15 Application PHP PHP 7.0.13 * * * Version Details Vulnerabilities
16 Application PHP PHP 7.0.14 * * * Version Details Vulnerabilities
17 Application PHP PHP 7.0.15 * * * Version Details Vulnerabilities
18 Application PHP PHP 7.0.16 * * * Version Details Vulnerabilities
19 Application PHP PHP 7.0.17 * * * Version Details Vulnerabilities
20 Application PHP PHP 7.0.18 * * * Version Details Vulnerabilities
21 Application PHP PHP 7.0.19 * * * Version Details Vulnerabilities
22 Application PHP PHP 7.0.20 * * * Version Details Vulnerabilities
23 Application PHP PHP 7.1.0 * * * Version Details Vulnerabilities
24 Application PHP PHP 7.1.1 * * * Version Details Vulnerabilities
25 Application PHP PHP 7.1.2 * * * Version Details Vulnerabilities
26 Application PHP PHP 7.1.3 * * * Version Details Vulnerabilities
27 Application PHP PHP 7.1.4 * * * Version Details Vulnerabilities
28 Application PHP PHP 7.1.5 * * * Version Details Vulnerabilities
29 Application PHP PHP 7.1.6 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
PHP PHP 29

- References For CVE-2017-7890

http://php.net/ChangeLog-7.php CONFIRM
https://access.redhat.com/errata/RHSA-2018:0406
REDHAT RHSA-2018:0406
http://www.debian.org/security/2017/dsa-3938
DEBIAN DSA-3938
http://php.net/ChangeLog-5.php CONFIRM
https://www.tenable.com/security/tns-2017-12 CONFIRM
https://access.redhat.com/errata/RHSA-2018:1296
REDHAT RHSA-2018:1296
https://security.netapp.com/advisory/ntap-20180112-0001/ CONFIRM
http://www.securityfocus.com/bid/99492
BID 99492 PHP 'gd_gif_in.c' Memory Corruption Vulnerability Release Date:2018-05-01
https://bugs.php.net/patch-display.php?bug=74435&patch=fix-74435-php-7.0&revision=1497970038 CONFIRM
https://bugs.php.net/bug.php?id=74435 CONFIRM

- Metasploit Modules Related To CVE-2017-7890

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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