trust-dns-proto Crate up to 0.5.0-alpha.2 on Rust DNS Message Compression memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in trust-dns-proto Crate up to 0.5.0-alpha.2 on Rust. Affected by this issue is some unknown functionality of the component DNS Message Compression Handler. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2018-20994. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in trust-dns-proto Crate up to 0.5.0-alpha.2 on Rust (Rust Package). Affected by this vulnerability is some unknown functionality of the component DNS Message Compression Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. The summary by CVE is:

An issue was discovered in the trust-dns-proto crate before 0.5.0-alpha.3 for Rust. There is infinite recursion because DNS message compression is mishandled.

The weakness was shared 08/26/2019. This vulnerability is known as CVE-2018-20994 since 08/25/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 0.5.0-alpha.3 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: trust-dns-proto Crate 0.5.0-alpha.3

Timelineinfo

08/25/2019 🔍
08/26/2019 +1 days 🔍
08/27/2019 +1 days 🔍
12/04/2023 +1560 days 🔍

Sourcesinfo

Advisory: rustsec.org
Status: Not defined

CVE: CVE-2018-20994 (🔍)
GCVE (CVE): GCVE-0-2018-20994
GCVE (VulDB): GCVE-100-140779

Entryinfo

Created: 08/27/2019 06:31
Updated: 12/04/2023 08:18
Changes: 08/27/2019 06:31 (37), 08/06/2020 09:14 (18), 12/04/2023 08:18 (4)
Complete: 🔍
Cache ID: 216::103

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