Out-of-bounds read in freerdp (Alpine package)



Published: 2020-06-22
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-11096
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
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freerdp (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU29364

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-11096

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 in "update_read_cache_bitmap_v3_order". A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

freerdp (Alpine package): 1.1.0-r0 - 2.1.1-r0

External links

http://git.alpinelinux.org/aports/commit/?id=1bb47e3a21445c5f2faa983e5a2f9ac0d4861ca9
http://git.alpinelinux.org/aports/commit/?id=723c4c1dd116dd6a5bc4337744353b36da6dc4de


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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