Microsoft SharePoint Enterprise Server 2010 SP1/2013 SP1/2016/2019 Markup Application Package input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Microsoft SharePoint Enterprise Server 2010 SP1/2013 SP1/2016/2019. Impacted is an unknown function of the component Markup Handler. The manipulation as part of Application Package results in input validation. This vulnerability is cataloged as CVE-2019-1257. The attack may be launched remotely. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft SharePoint Enterprise Server 2010 SP1/2013 SP1/2016/2019 (Groupware Software). Affected is an unknown part of the component Markup Handler. The manipulation as part of a Application Package leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-1295, CVE-2019-1296.

The weakness was shared 09/10/2019 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. The vendor cooperated in the coordination of the public release. This vulnerability is traded as CVE-2019-1257 since 11/26/2018. It is possible to launch the attack remotely. A authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The advisory points out:

A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-141566 and VDB-141565 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
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Timelineinfo

11/26/2018 🔍
09/10/2019 +288 days 🔍
09/10/2019 +0 days 🔍
09/11/2019 +1 days 🔍
08/19/2020 +343 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2019-1257 (🔍)
GCVE (CVE): GCVE-0-2019-1257
GCVE (VulDB): GCVE-100-141564
See also: 🔍

Entryinfo

Created: 09/11/2019 13:17
Updated: 08/19/2020 16:33
Changes: 09/11/2019 13:17 (62), 08/19/2020 16:33 (1)
Complete: 🔍
Cache ID: 216::103

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