Discuz!ML 3.2/3.3/3.4 Cookie code injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Discuz!ML 3.2/3.3/3.4. The affected element is an unknown function of the component Cookie Handler. Such manipulation leads to code injection. This vulnerability is referenced as CVE-2019-13956. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Discuz!ML 3.2/3.3/3.4. It has been rated as critical. Affected by this issue is an unknown function of the component Cookie Handler. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Discuz!ML 3.2 through 3.4 allows remote attackers to execute arbitrary PHP code via a modified language cookie, as demonstrated by changing 4gH4_0df5_language=en to 4gH4_0df5_language=en'.phpinfo().'; (if the random prefix 4gH4_0df5_ were used).

The weakness was published 07/18/2019. This vulnerability is handled as CVE-2019-13956 since 07/18/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.

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

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/18/2019 🔍
07/18/2019 +0 days 🔍
07/19/2019 +1 days 🔍
11/01/2023 +1566 days 🔍

Sourcesinfo

Advisory: esoln.net
Status: Not defined

CVE: CVE-2019-13956 (🔍)
GCVE (CVE): GCVE-0-2019-13956
GCVE (VulDB): GCVE-100-138320

Entryinfo

Created: 07/19/2019 10:35
Updated: 11/01/2023 17:23
Changes: 07/19/2019 10:35 (34), 07/08/2020 16:08 (17), 11/01/2023 17:23 (3)
Complete: 🔍
Cache ID: 216::103

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