VDB-137240 · CVE-2019-13164 · BID 109054

QEMU 4.0.0 ACL qemu-bridge-helper.c --br 7pk security

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in QEMU 4.0.0. This issue affects some unknown processing of the file qemu-bridge-helper.c of the component ACL. Such manipulation of the argument --br leads to 7pk security. This vulnerability is referenced as CVE-2019-13164. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in QEMU 4.0.0 (Virtualization Software). It has been rated as critical. Affected by this issue is an unknown code block of the file qemu-bridge-helper.c of the component ACL. The manipulation of the argument --br with an unknown input leads to a 7pk security vulnerability. Using CWE to declare the problem leads to CWE-254. Impacted is confidentiality, integrity, and availability. CVE summarizes:

qemu-bridge-helper.c in QEMU 4.0.0 does not ensure that a network interface name (obtained from bridge.conf or a --br=bridge option) is limited to the IFNAMSIZ size, which can lead to an ACL bypass.

The weakness was published 07/03/2019 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2019-13164 since 07/02/2019. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/15/2023). The MITRE ATT&CK project declares the attack technique as T1211.

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

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.8
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: 7pk security
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

07/02/2019 🔍
07/03/2019 +1 days 🔍
07/03/2019 +0 days 🔍
10/15/2023 +1565 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: 03d7712b4bcd47bfe0fe14ba2fffa87e111fa086
Status: Not defined

CVE: CVE-2019-13164 (🔍)
GCVE (CVE): GCVE-0-2019-13164
GCVE (VulDB): GCVE-100-137240
SecurityFocus: 109054

Entryinfo

Created: 07/03/2019 19:40
Updated: 10/15/2023 19:29
Changes: 07/03/2019 19:40 (38), 06/30/2020 11:02 (18), 10/15/2023 19:22 (5), 10/15/2023 19:29 (1)
Complete: 🔍
Cache ID: 216::103

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