OpenCV wechat_qrcode Module decoded_bit_stream_parser.cpp decodeByteSegment null pointer dereference
CVE-2023-2617

7.5HIGH

Key Information:

Vendor

Opencv

Status
Wechat Qrcode Module
Vendor
CVE Published:
10 May 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-2617?

A vulnerability in the OpenCV wechat_qrcode module affects versions up to 4.7.0, specifically within the DecodedBitStreamParser::decodeByteSegment function. This flaw allows for null pointer dereference, potentially enabling remote exploitation. Publicly disclosed, it is critical for users to apply the necessary patch to mitigate risks associated with this vulnerability.

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Affected Version(s)

wechat_qrcode Module 4.0

wechat_qrcode Module 4.1

wechat_qrcode Module 4.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-2617 - Proof of Concept

References

https://vuldb.com/?id.228547
vdb-entrytechnical-description
https://vuldb.com/?ctiid.228547
signaturepermissions-required
https://github.com/opencv/opencv_contrib/pull/3480
issue-trackingpatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Haoyu Chen
Linkai Zheng
Liangyu Zhang
NanoApe (VulDB User)
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