Multiple vulnerabilities in Adobe InCopy



| Updated: 2022-01-14
Risk High
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2021-45053
CVE-2021-45056
CVE-2021-45054
CVE-2021-45055
CWE-ID CWE-787
CWE-416
CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 InCopy
Client/Desktop applications / Multimedia software

Vendor Adobe

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU59457

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-45053

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when parsing JPG2000 images. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

InCopy: 16.0.0 - 16.4

CPE2.3 External links

https://helpx.adobe.com/security/products/incopy/apsb22-04.html
https://www.zerodayinitiative.com/advisories/ZDI-22-072/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Out-of-bounds write

EUVDB-ID: #VU59458

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-45056

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when parsing JPEG images. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

InCopy: 16.0.0 - 16.4

CPE2.3 External links

https://helpx.adobe.com/security/products/incopy/apsb22-04.html
https://www.zerodayinitiative.com/advisories/ZDI-22-069/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Use-after-free

EUVDB-ID: #VU59460

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-45054

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to a use-after-free error when parsing JPG2000 images. A remote attacker can trick the victim to open a specially crafted file, trigger a use-after-free error and read memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

InCopy: 16.0.0 - 16.4

CPE2.3 External links

https://helpx.adobe.com/security/products/incopy/apsb22-04.html
https://www.zerodayinitiative.com/advisories/ZDI-22-071/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Out-of-bounds read

EUVDB-ID: #VU59461

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-45055

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when parsing TIFF images. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger out-of-bounds read and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

InCopy: 16.0.0 - 16.4

CPE2.3 External links

https://helpx.adobe.com/security/products/incopy/apsb22-04.html
https://www.zerodayinitiative.com/advisories/ZDI-22-070/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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