PHP up to 5.6.11 GD Graphics Library gd_interpolation.c imagescale resource management
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.5 | $0-$5k | 0.00 |
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 3695, 5786, 5794 and 9021 for similar entries.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 8.7VulDB Meta Temp Score: 8.5
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
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VulDB Reliability: 🔍
NVD Base Score: 7.5
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CVSSv2
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Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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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: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
Exposure Time: 🔍
Upgrade: PHP 5.6.12
Patch: github.com
Timeline
05/21/2016 🔍05/21/2016 🔍
05/22/2016 🔍
05/23/2016 🔍
05/31/2016 🔍
06/01/2016 🔍
08/21/2022 🔍
Sources
Product: php.orgAdvisory: USN-2987-1
Status: Not defined
Confirmation: 🔍
CVE: CVE-2015-8877 (🔍)
OVAL: 🔍
See also: 🔍
Entry
Created: 05/23/2016 10:30Updated: 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: 🔍
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