radare2 4.5.0 Signature libr/util/x509.c IMAGE_DIRECTORY_ENTRY_SECURITY null termination

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in radare2 4.5.0. This affects an unknown function of the file libr/util/x509.c of the component Signature Handler. Performing a manipulation of the argument IMAGE_DIRECTORY_ENTRY_SECURITY results in null termination. This vulnerability is identified as CVE-2020-17487. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in radare2 4.5.0 (Programming Tool Software). This affects some unknown functionality of the file libr/util/x509.c of the component Signature Handler. The manipulation of the argument IMAGE_DIRECTORY_ENTRY_SECURITY with an unknown input leads to a null termination vulnerability. CWE is classifying the issue as CWE-170. The product does not terminate or incorrectly terminates a string or array with a null character or equivalent terminator. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY.

The weakness was released 08/11/2020. This vulnerability is uniquely identified as CVE-2020-17487 since 08/11/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Null termination
CWE: CWE-170 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/11/2020 🔍
08/11/2020 +0 days 🔍
08/12/2020 +1 days 🔍
08/12/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-17487 (🔍)
GCVE (CVE): GCVE-0-2020-17487
GCVE (VulDB): GCVE-100-159651

Entryinfo

Created: 08/12/2020 10:07
Updated: 08/12/2020 10:12
Changes: 08/12/2020 10:07 (36), 08/12/2020 10:12 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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