Multiple vulnerabilities in Randombit Botan

Published: 2016-05-13 | Updated: 2020-08-09

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2015-5727 CVE-2015-5726
CWE-ID	CWE-399 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Botan Universal components / Libraries / Libraries used by multiple products Debian Linux Operating systems & Components / Operating system
Vendor	Randombit Debian

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource management error

EUVDB-ID: #VU40302

Risk: Medium

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

CVE-ID: CVE-2015-5727

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The BER decoder in Botan 1.10.x before 1.10.10 and 1.11.x before 1.11.19 allows remote attackers to cause a denial of service (memory consumption) via unspecified vectors, related to a length field.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Botan: 1.10.0 - 1.11.18

Debian Linux: 1.10.0 - 8.0

External links

http://botan.randombit.net/security.html
http://www.debian.org/security/2016/dsa-3565

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) Input validation error

EUVDB-ID: #VU40303