rizinorg rizin up to 0.8.0 /librz/util/utf8.c rz_utf8_encode heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in rizinorg rizin up to 0.8.0. It has been rated as critical. Affected is the function rz_utf8_encode in the library /librz/util/utf8.c. Performing a manipulation results in heap-based overflow. This vulnerability is identified as CVE-2025-1788. The attack is only possible with local access. Additionally, an exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, was found in rizinorg rizin up to 0.8.0. This affects the function rz_utf8_encode in the library /librz/util/utf8.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-1788. The exploitability is told to be easy. Attacking locally is a requirement. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

02/28/2025 🔍
02/28/2025 +0 days 🔍
03/04/2025 +4 days 🔍

Sourcesinfo

Product: github.com

Advisory: 4910
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2025-1788 (🔍)
GCVE (CVE): GCVE-0-2025-1788
GCVE (VulDB): GCVE-100-298011
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/28/2025 18:11
Updated: 03/04/2025 06:21
Changes: 02/28/2025 18:11 (59), 03/01/2025 15:19 (24), 03/04/2025 06:21 (7)
Complete: 🔍
Submitter: wenjusun
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #502345: https://github.com/rizinorg/rizin rizin/rz-bin 309f57434dfa17954f02cdcbb3a2ac4108651767 Buffer Overflow (by wenjusun)

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