VDB-123950 · CVE-2018-15834 · Issue 11274

radare2 up to 2.8.x Signature File libr/anal/flirt.c read_module_referenced_functions memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in radare2 up to 2.8.x. This affects the function read_module_referenced_functions of the file libr/anal/flirt.c of the component Signature File Handler. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2018-15834. The attack can only be performed from a local environment. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in radare2 up to 2.8.x (Programming Tool Software). Affected by this issue is the function read_module_referenced_functions of the file libr/anal/flirt.c of the component Signature File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In radare2 before 2.9.0, a heap overflow vulnerability exists in the read_module_referenced_functions function in libr/anal/flirt.c via a crafted flirt signature file.

The bug was discovered 08/27/2018. The weakness was published 09/12/2018 (GitHub Repository). The advisory is available at github.com. This vulnerability is handled as CVE-2018-15834 since 08/23/2018. The attack may be launched remotely. No form of authentication is required for exploitation. 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 16 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.9.0 eliminates this vulnerability.

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Productinfo

Type

Programming Tool Software

Name

radare2

Version

License

open-source

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: radare2 2.9.0
Patch: github.com

Timelineinfo

08/23/2018 🔍
08/27/2018 +4 days 🔍
09/12/2018 +15 days 🔍
09/12/2018 +0 days 🔍
09/13/2018 +1 days 🔍
05/16/2023 +1706 days 🔍

Sourcesinfo

Advisory: 11274
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-15834 (🔍)
GCVE (CVE): GCVE-0-2018-15834
GCVE (VulDB): GCVE-100-123950

Entryinfo

Created: 09/13/2018 08:21
Updated: 05/16/2023 08:18
Changes: 09/13/2018 08:21 (60), 03/23/2020 09:16 (2), 05/16/2023 08:18 (5)
Complete: 🔍
Cache ID: 216::103