Heap-based buffer overflow in Randombit Botan



| Updated: 2022-02-09
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-2196
CWE-ID CWE-122
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Botan
Universal components / Libraries / Libraries used by multiple products

Vendor Randombit

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Heap-based buffer overflow

EUVDB-ID: #VU40298

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-2196

CWE-ID: CWE-122 - Heap-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 Heap-based buffer overflow in the P-521 reduction function in Botan 1.11.x before 1.11.27. A remote attacker can use unspecified vectors. to trigger heap-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

Install update from vendor's website.

Vulnerable software versions

Botan: 1.11.0 - 1.11.26

CPE2.3 External links

https://botan.randombit.net/security.html
https://marc.info/?l=botan-devel&m=145435148602911&w=2


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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