GD Graphics Library up to 2.2.3 gd_webp.c gdImageWebpCtx integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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9.8$5k-$25k0.00

Summaryinfo

A vulnerability was found in GD Graphics Library up to 2.2.3 and classified as critical. This issue affects the function gdImageWebpCtx of the file gd_webp.c. The manipulation results in integer overflow. This vulnerability is known as CVE-2016-7568. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as very critical has been found in GD Graphics Library up to 2.2.3 (Image Processing Software). Affected is the function gdImageWebpCtx of the file gd_webp.c. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Integer overflow in the gdImageWebpCtx function in gd_webp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP through 7.0.11, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via crafted imagewebp and imagedestroy calls.

The weakness was published 09/28/2016 by Ke Liu with Tencent as DSA 3693-1 (Website). The advisory is available at bugs.php.net. This vulnerability is traded as CVE-2016-7568 since 09/09/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 09/21/2022).

The vulnerability scanner Nessus provides a plugin with the ID 900040 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169291 (OpenSuSE Security Update for php5 (openSUSE-SU-2016:2606-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (900040) and SecurityFocus (BID 93184†). Further details are available at seclists.org. Similar entries are available at VDB-95034, VDB-95943 and VDB-96026. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • PHP up to 7.0.11
  • Debuan GNU/Linux

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.8

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: 900040
Nessus File: 🔍

OpenVAS ID: 703693
OpenVAS Name: Debian Security Advisory DSA 3693-1 (libgd2 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

09/09/2016 🔍
09/27/2016 +18 days 🔍
09/28/2016 +1 days 🔍
09/28/2016 +0 days 🔍
09/29/2016 +1 days 🔍
09/21/2022 +2183 days 🔍

Sourcesinfo

Advisory: DSA 3693-1
Researcher: Ke Liu
Organization: Tencent
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-7568 (🔍)
GCVE (CVE): GCVE-0-2016-7568
GCVE (VulDB): GCVE-100-92250

OVAL: 🔍

SecurityFocus: 93184 - libgd 'gd_webp.c' Integer Overflow Vulnerability

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 09/29/2016 16:15
Updated: 09/21/2022 14:49
Changes: 09/29/2016 16:15 (63), 05/11/2019 22:31 (13), 09/21/2022 14:49 (2)
Complete: 🔍
Cache ID: 216:FAE:103

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