GNOME Evolution up to 3.28.2 OpenPGP Signature signature verification

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in GNOME Evolution up to 3.28.2. The impacted element is an unknown function of the component OpenPGP Signature Handler. Such manipulation leads to signature verification. This vulnerability is uniquely identified as CVE-2018-15587. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in GNOME Evolution up to 3.28.2. It has been rated as critical. Affected by this issue is an unknown part of the component OpenPGP Signature Handler. The manipulation with an unknown input leads to a signature verification vulnerability. Using CWE to declare the problem leads to CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. Impacted is confidentiality, integrity, and availability. CVE summarizes:

GNOME Evolution through 3.28.2 is prone to OpenPGP signatures being spoofed for arbitrary messages using a specially crafted email that contains a valid signature from the entity to be impersonated as an attachment.

The bug was discovered 09/25/2018. The weakness was disclosed 02/11/2019 (Website). The advisory is available at seclists.org. This vulnerability is handled as CVE-2018-15587 since 08/20/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 139 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 172464 (OpenSUSE Security Update for evolution (openSUSE-SU-2019:1453-1)).

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

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 6.5
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: Signature verification
CWE: CWE-347 / CWE-345
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/20/2018 🔍
09/25/2018 +36 days 🔍
02/11/2019 +139 days 🔍
02/11/2019 +0 days 🔍
07/09/2023 +1609 days 🔍

Sourcesinfo

Vendor: gnome.org

Advisory: 152703
Status: Not defined

CVE: CVE-2018-15587 (🔍)
GCVE (CVE): GCVE-0-2018-15587
GCVE (VulDB): GCVE-100-130742

Entryinfo

Created: 02/12/2019 00:06
Updated: 07/09/2023 10:59
Changes: 02/12/2019 00:06 (56), 05/09/2020 18:37 (2), 07/09/2023 10:52 (3), 07/09/2023 10:59 (1)
Complete: 🔍
Cache ID: 216::103

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