PHP up to 5.6.11 GD Graphics Library gd_interpolation.c imagescale resource management

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in PHP up to 5.6.11. This affects the function imagescale of the file gd_interpolation.c of the component GD Graphics Library. Executing a manipulation can lead to resource management. This vulnerability appears as CVE-2015-8877. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in PHP up to 5.6.11 (Programming Language Software). It has been declared as critical. This vulnerability affects the function imagescale of the file gd_interpolation.c of the component GD Graphics Library. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The gdImageScaleTwoPass function in gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.2.0, as used in PHP before 5.6.12, uses inconsistent allocate and free approaches, which allows remote attackers to cause a denial of service (memory consumption) via a crafted call, as demonstrated by a call to the PHP imagescale function.

The weakness was presented 05/22/2016 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2015-8877 since 05/21/2016. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 91423 (Ubuntu 12.04 LTS / 14.04 LTS / 15.10 / 16.04 LTS : libgd2 vulnerabilities (USN-2987-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196486 (Ubuntu Security Notification for Libgd2 Vulnerabilities (USN-2987-1)).

Upgrading to version 5.6.12 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (91423). See VDB-3695, VDB-5786, VDB-5794 and VDB-9021 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.7
VulDB Meta Temp Score: 8.5

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 91423
Nessus Name: Ubuntu 12.04 LTS / 14.04 LTS / 15.10 / 16.04 LTS : libgd2 vulnerabilities (USN-2987-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 64535
OpenVAS Name: Fedora Update for gd FEDORA-2016-de6e26b8aa
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: PHP 5.6.12
Patch: github.com

Timelineinfo

05/21/2016 🔍
05/21/2016 +0 days 🔍
05/22/2016 +1 days 🔍
05/23/2016 +1 days 🔍
05/31/2016 +8 days 🔍
06/01/2016 +1 days 🔍
08/21/2022 +2272 days 🔍

Sourcesinfo

Product: php.org

Advisory: USN-2987-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8877 (🔍)
GCVE (CVE): GCVE-0-2015-8877
GCVE (VulDB): GCVE-100-87568

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 05/23/2016 10:30
Updated: 08/21/2022 14:16
Changes: 05/23/2016 10:30 (67), 12/09/2018 11:23 (11), 08/21/2022 14:13 (4), 08/21/2022 14:16 (1)
Complete: 🔍
Cache ID: 216::103

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