VDB-139701 · CVE-2018-20954 · GCVE-0-2018-20954

Mailpile up to 1.0.0rc3 Key expired cryptographic issue

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.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Mailpile up to 1.0.0rc3. Affected by this issue is some unknown functionality of the component Key Handler. Performing a manipulation results in cryptographic issue (expired). This vulnerability is identified as CVE-2018-20954. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Mailpile up to 1.0.0rc3. This affects some unknown functionality of the component Key Handler. The manipulation with an unknown input leads to a cryptographic issue vulnerability (Expired). CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The "Security and Privacy" Encryption feature in Mailpile before 1.0.0rc4 does not exclude disabled, revoked, and expired keys.

The weakness was released 08/08/2019. This vulnerability is uniquely identified as CVE-2018-20954 since 08/04/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

Upgrading to version 1.0.0rc4 eliminates this vulnerability.

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Productinfo

Name

Mailpile

Version

License

open-source

Website

Product: https://github.com/mailpile/Mailpile/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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

Name: Expired
Class: Cryptographic issue / Expired
CWE: CWE-310
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mailpile 1.0.0rc4
Patch: github.com

Timelineinfo

08/04/2019 🔍
08/08/2019 +4 days 🔍
08/09/2019 +1 days 🔍
11/21/2023 +1565 days 🔍

Sourcesinfo

Product: github.com

Advisory: 49b64f62ade9ade3dff9337c7bbc1171eab3d59e
Status: Not defined

CVE: CVE-2018-20954 (🔍)
GCVE (CVE): GCVE-0-2018-20954
GCVE (VulDB): GCVE-100-139701

Entryinfo

Created: 08/09/2019 07:27
Updated: 11/21/2023 16:06
Changes: 08/09/2019 07:27 (37), 07/23/2020 09:06 (17), 11/21/2023 16:00 (6), 11/21/2023 16:06 (2)
Complete: 🔍
Cache ID: 216::103