Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2024-1633— FIP Header Integer Overflow

Quick assessment

Affected
Renesas rcar_gen3_v2.5
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Rensas R-Car是日本瑞萨（Rensas）公司的一款汽车片上系统。可实现高端计算性能，处理来自车辆中安装的各种传感器的大量信息。 Rensas R-Car rcar_gen3_v2.5版本存在安全漏洞，该漏洞源于存在整数溢出漏洞。攻击者可以绕过内存范围限制并将数据写入缓冲区边界之外，从而导致绕过安全启动。

CVSS 2.0 · Low EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2024-1633

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
FIP Header Integer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
During the secure boot, bl2 (the second stage of the bootloader) loops over images defined in the table “bl2_mem_params_descs”. For each image, the bl2 reads the image length and destination from the image’s certificate. Because of the way of reading from the image, which base on 32-bit unsigned integer value, it can result to an integer overflow. An attacker can bypass memory range restriction and write data out of buffer bounds, which could result in bypass of secure boot. Affected git version from c2f286820471ed276c57e603762bd831873e5a17 until (not 
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Rensas R-Car rcar_gen3_v2.5 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rensas R-Car是日本瑞萨（Rensas）公司的一款汽车片上系统。可实现高端计算性能，处理来自车辆中安装的各种传感器的大量信息。 Rensas R-Car rcar_gen3_v2.5版本存在安全漏洞，该漏洞源于存在整数溢出漏洞。攻击者可以绕过内存范围限制并将数据写入缓冲区边界之外，从而导致绕过安全启动。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Renesas rcar_gen3_v2.5 v2.5 -

II. Public POCs for CVE-2024-1633

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2024-1633

请登录查看更多情报信息。

Other References for CVE-2024-1633 (1)

IV. Related Vulnerabilities

Same product: rcar_gen3_v2.5
Same vendor: Renesas
Same weakness: CWE-190

V. Comments for CVE-2024-1633

No comments yet

Leave a comment