radare2 up to 3.0.x libr/asm/p/asm_x86_nz.c opmov 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

Summaryinfo

A vulnerability, which was classified as critical, was found in radare2 up to 3.0.x. This issue affects the function opmov of the file libr/asm/p/asm_x86_nz.c. Such manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2018-19843. Local access is required to approach this attack. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in radare2 up to 3.0.x (Programming Tool Software) and classified as critical. Affected by this issue is the function opmov of the file libr/asm/p/asm_x86_nz.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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

The bug was discovered 11/20/2018. The weakness was disclosed 12/04/2018 (Website). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2018-19843 since 12/03/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

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.

The entry VDB-127471 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: f17bfd9f1da05f30f23a4dd05e9d2363e1406948
Status: Not defined

CVE: CVE-2018-19843 (🔍)
GCVE (CVE): GCVE-0-2018-19843
GCVE (VulDB): GCVE-100-127472
See also: 🔍

Entryinfo

Created: 12/05/2018 08:15
Updated: 06/12/2023 17:26
Changes: 12/05/2018 08:15 (60), 04/17/2020 11:38 (1), 06/12/2023 17:26 (5)
Complete: 🔍
Cache ID: 216:00E:103

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

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