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CVE-2021-20303

Quick assessment

Affected
n/a OpenEXR
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.

ILM OpenEXR是美国Industrial Light and Magic（ILM）公司的一种图像文件格式，适用于高动态范围（HDR）图像。 ILM OpenEXR 存在安全漏洞，该漏洞源于产品的 Imf_2_5::copyIntoFrameBuffer 存在堆缓冲区溢出。攻击者可通过该漏洞执行恶意代码。 以下产品及版本受到影响: Openexr 2.2.0-11+deb9u4。

AI Predicted 6.5 Difficulty: Easy EPSS 0.82% · P55

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-20303

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds write on the heap. The greatest impact of this flaw is to application availability, with some potential impact to data integrity as well.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
ILM OpenEXR 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ILM OpenEXR是美国Industrial Light and Magic（ILM）公司的一种图像文件格式，适用于高动态范围（HDR）图像。 ILM OpenEXR 存在安全漏洞，该漏洞源于产品的 Imf_2_5::copyIntoFrameBuffer 存在堆缓冲区溢出。攻击者可通过该漏洞执行恶意代码。 以下产品及版本受到影响: Openexr 2.2.0-11+deb9u4。
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
- OpenEXR Fixed in v2.5.4 and beyond. -

II. Public POCs for CVE-2021-20303

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-20303

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Patches & Fixes for CVE-2021-20303 (1)

Vendor Advisories for CVE-2021-20303 (1)

Mailing List Discussions for CVE-2021-20303 (1)

Other References for CVE-2021-20303 (1)

Same Patch Batch · n/a · 2022-03-04 · 45 CVEs total

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Showing top 20 of 45 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: OpenEXR
Same vendor: n/a
Same weakness: CWE-190

V. Comments for CVE-2021-20303

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