Buffer overflow in GNU fribidi



Published: 2019-11-10 | Updated: 2020-03-25
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-18397
CWE-ID CWE-121
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe
fribidi
Universal components / Libraries / Libraries used by multiple products

Vendor GNU

Security Bulletin

This security bulletin contains information about 1 vulnerabilities.

Updated: 25.03.2020

Changed bulletin status to patched.

1) Stack-based buffer overflow

EUVDB-ID: #VU22621

Risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-18397

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in GNU fribidi when processing a large number of unicode isolate directional characters. A remote attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

fribidi: 1.0.0 - 1.0.7

External links

http://github.com/fribidi/fribidi/commit/034c6e9a1d296286305f4cfd1e0072b879f52568


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.



###SIDEBAR###