VDB-151958 · CVE-2020-10194 · GCVE-0-2020-10194

Synacor Zimbra up to 8.8.15.p7 zm-mailbox AutoCompleteGal.java Request authorization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Synacor Zimbra up to 8.8.15.p7. This issue affects some unknown processing of the file cs/service/account/AutoCompleteGal.java of the component zm-mailbox. Such manipulation as part of Request leads to authorization. This vulnerability is listed as CVE-2020-10194. The attack may be performed from remote. There is no available exploit. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Synacor Zimbra up to 8.8.15.p7 (Groupware Software). Affected by this issue is some unknown functionality of the file cs/service/account/AutoCompleteGal.java of the component zm-mailbox. The manipulation as part of a Request leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. Impacted is confidentiality. CVE summarizes:

cs/service/account/AutoCompleteGal.java in Zimbra zm-mailbox before 8.8.15.p8 allows authenticated users to request any GAL account. This differs from the intended behavior in which the domain of the authenticated user must match the domain of the galsync account in the request.

The weakness was presented 03/20/2020 (GitHub Repository). The advisory is available at github.com. This vulnerability is handled as CVE-2020-10194 since 03/06/2020. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is required for exploitation. Technical details are known, but there is no available exploit.

Applying the patch 8.8.15.p8 is able to eliminate this problem.

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Productinfo

Type

Groupware Software

Vendor

Synacor

Name

Zimbra

Version

8.8.15.p7

License

free

Website

Vendor: https://synacor.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 8.8.15.p8

Timelineinfo

03/06/2020 🔍
03/20/2020 +14 days 🔍
03/21/2020 +1 days 🔍
04/18/2024 +1489 days 🔍

Sourcesinfo

Vendor: synacor.com

Advisory: 1df440e0efa624d1772a05fb6d397d9beb4bda1e
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-10194 (🔍)
GCVE (CVE): GCVE-0-2020-10194
GCVE (VulDB): GCVE-100-151958

Entryinfo

Created: 03/21/2020 08:55
Updated: 04/18/2024 14:40
Changes: 03/21/2020 08:55 (41), 03/21/2020 09:00 (18), 10/04/2020 06:28 (1), 04/18/2024 14:37 (19), 04/18/2024 14:40 (1)
Complete: 🔍
Cache ID: 216::103