evolution-data-server up to 3.36.3 STARTTLS Buffer Response injection

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in evolution-data-server up to 3.36.3 and classified as critical. This impacts an unknown function of the component STARTTLS Buffer Handler. Such manipulation as part of Response leads to injection. This vulnerability is referenced as CVE-2020-14928. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in evolution-data-server up to 3.36.3. It has been rated as critical. Affected by this issue is an unknown code of the component STARTTLS Buffer Handler. The manipulation as part of a Response leads to a injection vulnerability. Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is integrity. CVE summarizes:

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."

The weakness was published 07/17/2020 as Bug 1173910 as not defined bug report (Bugzilla). The advisory is available at bugzilla.suse.com. This vulnerability is handled as CVE-2020-14928 since 06/19/2020. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1055 by the MITRE ATT&CK project.

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: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.9
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
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: Injection
CWE: CWE-74 / CWE-707 / 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: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/19/2020 🔍
07/17/2020 +28 days 🔍
07/18/2020 +1 days 🔍
11/04/2020 +109 days 🔍

Sourcesinfo

Advisory: Bug 1173910
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-14928 (🔍)
GCVE (CVE): GCVE-0-2020-14928
GCVE (VulDB): GCVE-100-158750

Entryinfo

Created: 07/18/2020 08:52
Updated: 11/04/2020 14:48
Changes: 07/18/2020 08:52 (39), 07/18/2020 08:57 (17), 11/04/2020 14:48 (1)
Complete: 🔍
Cache ID: 216::103

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