radare2 up to 3.1.0 libr/core/cmd_anal.c core_anal_bytes Binary File out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in radare2 up to 3.1.0. This issue affects the function core_anal_bytes of the file libr/core/cmd_anal.c. The manipulation as part of Binary File results in out-of-bounds. This vulnerability was named CVE-2018-20461. The attack needs to be approached locally. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in radare2 up to 3.1.0 (Programming Tool Software). It has been classified as critical. Affected is the function core_anal_bytes of the file libr/core/cmd_anal.c. The manipulation as part of a Binary File leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In radare2 prior to 3.1.1, core_anal_bytes in libr/core/cmd_anal.c allows attackers to cause a denial-of-service (application crash caused by out-of-bounds read) by crafting a binary file.

The bug was discovered 12/04/2018. The weakness was presented 12/25/2018 (Website). The advisory is available at github.com. This vulnerability is traded as CVE-2018-20461 since 12/25/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 21 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 121260 (Fedora 29 : radare2 (2019-5750ad7485)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Upgrading to version 3.1.1 eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (121260). See VDB-128412, VDB-128413, VDB-128414 and VDB-128415 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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

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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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Nessus ID: 121260
Nessus Name: Fedora 29 : radare2 (2019-5750ad7485)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: radare2 3.1.1
Patch: github.com

Timelineinfo

12/04/2018 🔍
12/25/2018 +21 days 🔍
12/25/2018 +0 days 🔍
12/25/2018 +0 days 🔍
12/26/2018 +1 days 🔍
01/19/2019 +24 days 🔍
01/22/2019 +3 days 🔍
06/22/2023 +1612 days 🔍

Sourcesinfo

Advisory: FEDORA-2019-5750ad7485
Status: Not defined

CVE: CVE-2018-20461 (🔍)
GCVE (CVE): GCVE-0-2018-20461
GCVE (VulDB): GCVE-100-128418
See also: 🔍

Entryinfo

Created: 12/26/2018 21:45
Updated: 06/22/2023 08:30
Changes: 12/26/2018 21:45 (74), 04/24/2020 11:29 (2), 06/22/2023 08:27 (5), 06/22/2023 08:30 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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