radare2 2.5.0 ELF File libr/anal/p/anal_avr.c r_strbuf_fini use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in radare2 2.5.0. This affects the function r_strbuf_fini of the file libr/anal/p/anal_avr.c of the component ELF File Handler. The manipulation results in use after free. This vulnerability is cataloged as CVE-2018-11383. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in radare2 2.5.0 (Programming Tool Software). It has been classified as critical. Affected is the function r_strbuf_fini of the file libr/anal/p/anal_avr.c of the component ELF File Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The r_strbuf_fini() function in radare2 2.5.0 allows remote attackers to cause a denial of service (invalid free and application crash) via a crafted ELF file because of an uninitialized variable in the CPSE handler in libr/anal/p/anal_avr.c.

The bug was discovered 04/16/2018. The weakness was shared 05/22/2018 (Website). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-11383 since 05/22/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 36 days. During that time the estimated underground price was around $0-$5k.

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

The entries VDB-118105, VDB-118103, VDB-118102 and VDB-118101 are related to this item. 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: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: Use after free
CWE: CWE-416 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

04/16/2018 🔍
05/22/2018 +35 days 🔍
05/22/2018 +0 days 🔍
05/22/2018 +0 days 🔍
05/23/2018 +1 days 🔍
03/14/2023 +1756 days 🔍

Sourcesinfo

Advisory: 9d348bcc2c4bbd3805e7eec97b594be9febbdf9a
Status: Not defined

CVE: CVE-2018-11383 (🔍)
GCVE (CVE): GCVE-0-2018-11383
GCVE (VulDB): GCVE-100-118104
See also: 🔍

Entryinfo

Created: 05/23/2018 08:42
Updated: 03/14/2023 18:46
Changes: 05/23/2018 08:42 (60), 02/08/2020 08:37 (1), 03/14/2023 18:46 (4)
Complete: 🔍
Cache ID: 216::103

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

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