Unbound up to 1.9.4 IPsec Module Answer input validation

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

A vulnerability was found in Unbound up to 1.9.4 and classified as critical. Affected by this issue is an unknown functionality of the component IPsec Module. The manipulation as part of a Answer leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was compiled with `--enable-ipsecmod` support, and ipsecmod is enabled and used in the configuration.

The weakness was presented 11/19/2019 (oss-sec). The advisory is available at openwall.com. This vulnerability is handled as CVE-2019-18934 since 11/13/2019. 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.

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

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/13/2019 🔍
11/19/2019 +6 days 🔍
11/20/2019 +1 days 🔍
02/23/2024 +1556 days 🔍

Sourcesinfo

Advisory: FEDORA-2019-a29e620cd4
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-18934 (🔍)

Entryinfo

Created: 11/20/2019 07:08 AM
Updated: 02/23/2024 06:34 PM
Changes: 11/20/2019 07:08 AM (38), 11/20/2019 07:13 AM (17), 02/23/2024 06:34 PM (3)
Complete: 🔍
Cache ID: 18:74E:40

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