radare2 1.2.1 Binary File libr/include/r_endian.h r_read_le32 null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in radare2 1.2.1. It has been classified as problematic. The affected element is the function r_read_le32 of the file libr/include/r_endian.h of the component Binary File Handler. The manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2017-6197. Remote exploitation of the attack is possible. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in radare2 1.2.1 (Programming Tool Software). It has been rated as problematic. This issue affects the function r_read_le32 of the file libr/include/r_endian.h of the component Binary File Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

The r_read_* functions in libr/include/r_endian.h in radare2 1.2.1 allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted binary file, as demonstrated by the r_read_le32 function.

The bug was discovered 03/07/2017. The weakness was published 02/24/2017 (GitHub Repository). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2017-6197 since 02/22/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 97395 (Debian DLA-837-1 : radare2 security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (97395) and SecurityFocus (BID 96433†). Statistical analysis made it clear that VulDB provides the best quality 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: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: 97395
Nessus Name: Debian DLA-837-1 : radare2 security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 860967
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 837-1] radare2 security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Patch: github.com

Timelineinfo

02/22/2017 🔍
02/23/2017 +1 days 🔍
02/23/2017 +0 days 🔍
02/24/2017 +1 days 🔍
02/24/2017 +0 days 🔍
02/26/2017 +2 days 🔍
02/27/2017 +1 days 🔍
03/07/2017 +8 days 🔍
09/02/2020 +1275 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6197 (🔍)
GCVE (CVE): GCVE-0-2017-6197
GCVE (VulDB): GCVE-100-97235
SecurityFocus: 96433 - radare2 CVE-2017-6197 Remote Denial Of Service Vulnerability
OSVDB: - CVE-2017-6197 - radare2 - Denial of Service Issue

Entryinfo

Created: 02/24/2017 10:40
Updated: 09/02/2020 12:33
Changes: 02/24/2017 10:40 (74), 09/02/2020 12:33 (6)
Complete: 🔍
Cache ID: 216:043:103

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