Out-of-bounds read in py3-pillow (Alpine package)



Published: 2021-01-24
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-35653
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
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py3-pillow (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU49383

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-35653

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition when processing PCX files. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

py3-pillow (Alpine package): 7.1.2-r0 - 7.2.0-r1

External links

http://git.alpinelinux.org/aports/commit/?id=bd4e89c6a26bf7c247c3335b8a7aef053815dfc7


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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