radare2 up to 3.1.0 dyldcache.c r_bin_dyldcache_extract 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 was found in radare2 up to 3.1.0. It has been rated as critical. Affected by this issue is the function r_bin_dyldcache_extract of the file libr/bin/format/mach0/dyldcache.c. Performing a manipulation results in out-of-bounds. This vulnerability is known as CVE-2018-20458. Attacking locally is a requirement. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in radare2 up to 3.1.0 (Programming Tool Software). This affects the function r_bin_dyldcache_extract of the file libr/bin/format/mach0/dyldcache.c. The manipulation with an unknown input 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. The summary by CVE is:

In radare2 prior to 3.1.1, r_bin_dyldcache_extract in libr/bin/format/mach0/dyldcache.c may allow attackers to cause a denial-of-service (application crash caused by out-of-bounds read) by crafting an input file.

The bug was discovered 12/04/2018. The weakness was published 12/25/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2018-20458 since 12/25/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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 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). Similar entries are available at VDB-128412, VDB-128413, VDB-128414 and VDB-128417. Be aware that VulDB is the high quality source for vulnerability data.

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-2018-20458 (🔍)
GCVE (CVE): GCVE-0-2018-20458
GCVE (VulDB): GCVE-100-128415
See also: 🔍

Entryinfo

Created: 12/26/2018 21:43
Updated: 06/22/2023 08:14
Changes: 12/26/2018 21:43 (73), 04/24/2020 11:14 (2), 06/22/2023 08:11 (5), 06/22/2023 08:14 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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