VDB-136720 · CVE-2019-12904 · GCVE-0-2019-12904

Libgcrypt 1.8.4 AES cryptographic issue ⚔ [Disputed]

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.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Libgcrypt 1.8.4. Affected by this issue is some unknown functionality of the component AES. Executing a manipulation can lead to cryptographic issue. This vulnerability is registered as CVE-2019-12904. It is possible to launch the attack remotely. No exploit is available. The presence of this vulnerability remains uncertain at this time.

Detailsinfo

A vulnerability classified as critical was found in Libgcrypt 1.8.4. This vulnerability affects an unknown part of the component AES. The manipulation with an unknown input leads to a cryptographic issue vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In Libgcrypt 1.8.4, the C implementation of AES is vulnerable to a flush-and-reload side-channel attack because physical addresses are available to other processes. (The C implementation is used on platforms where an assembly-language implementation is unavailable.)

The weakness was published 06/20/2019 (Website). The advisory is shared for download at lists.opensuse.org. This vulnerability was named CVE-2019-12904 since 06/19/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.

The real existence of this vulnerability is still doubted at the moment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Libgcrypt

Version

1.8.4

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

06/19/2019 🔍
06/20/2019 +1 days 🔍
06/20/2019 +0 days 🔍
08/05/2024 +1873 days 🔍

Sourcesinfo

Advisory: a4c561aab1014c3630bc88faf6f5246fee16b020
Status: Not defined
Disputed: 🔍

CVE: CVE-2019-12904 (🔍)
GCVE (CVE): GCVE-0-2019-12904
GCVE (VulDB): GCVE-100-136720

Entryinfo

Created: 06/20/2019 10:18
Updated: 08/05/2024 03:15
Changes: 06/20/2019 10:18 (38), 06/26/2020 06:43 (1), 10/06/2023 20:10 (3), 10/06/2023 20:18 (18), 08/05/2024 03:15 (18)
Complete: 🔍
Cache ID: 216::103