radare2 up to 3.0.x libr/asm/p/asm_x86_nz.c gettoken out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability has been found in radare2 up to 3.0.x (Programming Tool Software) and classified as critical. Affected by this vulnerability is the function gettoken of the file libr/asm/p/asm_x86_nz.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

getToken in libr/asm/p/asm_x86_nz.c in radare2 before 3.1.0 allows attackers to cause a denial of service (stack-based buffer over-read) via crafted x86 assembly data, as demonstrated by rasm2.

The bug was discovered 11/20/2018. The weakness was released 12/04/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-19842 since 12/03/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 3.1.0 eliminates this vulnerability.

Entry connected to this vulnerability is available at 127472.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 5.5
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: Out-of-bounds
CWE: CWE-125 / CWE-119
ATT&CK: Unknown

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: radare2 3.1.0
Patch: github.com

Timelineinfo

11/20/2018 🔍
12/03/2018 +13 days 🔍
12/04/2018 +1 days 🔍
12/04/2018 +0 days 🔍
12/05/2018 +1 days 🔍
06/12/2023 +1650 days 🔍

Sourcesinfo

Advisory: 66191f780863ea8c66ace4040d0d04a8842e8432
Status: Not defined

CVE: CVE-2018-19842 (🔍)
See also: 🔍

Entryinfo

Created: 12/05/2018 08:15
Updated: 06/12/2023 17:19
Changes: 12/05/2018 08:15 (60), 04/17/2020 11:30 (1), 06/12/2023 17:19 (5)
Complete: 🔍

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