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This Memory Corruption Vulnerability exists in the decoding of PPT files in Corel Presentations 2020. This specific vulnerability exists in the вЂCDRRipвЂ™ dynamic library.ДЇortinet released the IPS signature .CorruptionВ for this specific vulnerability to proactively protect our customers. Specifically, this vulnerability is caused by a malformed CPT file, which causes Out-of-Bounds memory access due to an improper bounds check. This Memory Corruption Vulnerability exists in the decoding of CPT files in Corel PhotoPaint Standard 2020. Specifically, this vulnerability is caused by a malformed CPT file, which causes Out-of-Bounds memory access due to an improper bounds check.ДЇortinet released the IPS signature .CorruptionВ for this specific vulnerability to proactively protect our customers.

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This specific vulnerability exists in the вЂCDRRipвЂ™ dynamic library.ДЄttackers can exploit this vulnerability by using the out-of-bounds access for unintended writes or frees, potentially leading to code corruption, control-flow hijack, or an information leak attack.ДЄ remote attacker may be able to exploit this vulnerability to execute arbitrary code within the context of the application via a crafted CPT file.ДЇortinet released the IPS signature .CorruptionВ for this specific vulnerability to proactively protect our customers. Specifically, the vulnerability is caused by a malformed CPT file, which causes an Out-of-Bounds Write memory access due to improper bounds check. This Memory Corruption Vulnerability exists in the decoding of CPT files in CorelВ PhotoPaint Standard 2020.

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Specifically, this vulnerability is caused by a malformed PDF file, which causes an Out-of-Bounds heap memory access due to an improper bounds check.ДЇortinet released the IPS signature В for this specific vulnerability to proactively protect our customers. This Heap Memory Corruption Vulnerability exists in the decoding of PDF files in Corel PDF Fusion. Specifically, this vulnerability is caused by a malformed PDF file which causes Out-of-Bounds memory access due to improper bounds check.ДЄttackers can exploit this vulnerability by using the out-of-bounds access for unintended reads, writes, or frees, potentially leading to code corruption, control-flow hijack, or an information leak attack.ДЇortinet released the IPS signature for this specific vulnerability to proactivelyВ protect our customers. This Memory Corruption Vulnerability exists in the decoding of PDF files in Corel PDF Fusion. Specifically, this vulnerability is caused by a malformed PDF file, which causes an Out-of-Bounds Write memory access due to improper bounds checking when manipulating a pointer to an allocated buffer.ДЄttackers can exploit the vulnerability by using the out-of-bounds access for unintended reads, writes, or frees, potentially leading to code corruption, control-flow hijack, or information leak attack.ДЄ remote attacker may be able to exploit this vulnerability to execute arbitrary code within the context of the application via a crafted PDF file.ДЇortinet released the IPS signature В forВ this specific vulnerability to proactivelyВ protect our customers. This Memory Corruption Vulnerability exists in the Corel PDF Fusion вЂcoreip.dllвЂ™ dynamic library.

More information can be found on the related Fortinet Zero-Day Advisory pages by clicking on the CVE links below:

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We recommend that users exercise caution when opening files from unknown sources and update their systems once Corel releases patches for these vulnerabilities.ДЇollowing are some details on these vulnerabilities. As this date has now passed without further communications, we are releasing the related Security Advisories for these vulnerabilities.В They are identified as:Д®ach of these vulnerabilities has a different root cause related to Corel products and plugins. FortiGuard Labs agreed to extend the timing of their disclosure.

OnВ March 4 th,В 2021, I discovered and reported multiple (15) zero-day vulnerabilities related to several Corel products.В After responding in April, Corel requested an extension to our standard 90-day publication policy to August 1 stВ to remediate these issues. Impact: Multiple vulnerabilities leading to arbitrary code execution and information leaks Users of Corel Presentations 2020 version 20.0.0.200. Users of Corel PhotoPaint Standard 2020 version 22.0.0.474. Users of Corel WordPerfect 2020 version 20.0.0.200. Users of CorelDraw Standard 2020 versions 22.0.0.474.

Impacted parties: Users of Corel PDF FusionВ version 2.6.2.0.

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