Slackware Linux update for openssl

Published: 2019-12-21

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2019-1551 CVE-2019-15515
CWE-ID	CWE-310 CWE-200
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Slackware Linux Operating systems & Components / Operating system
Vendor	Slackware

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cryptographic issues

EUVDB-ID: #VU23451

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1551

CWE-ID: CWE-310 - Cryptographic Issues

Exploit availability: No

Description

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

The vulnerability exists due to an overflow issue within the rsaz_512_sqr(): the x64_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli. A remote attacker can perform an attack against DH512 keys.

Mitigation

Update the affected package openssl.

Vulnerable software versions

Slackware Linux: 14.2

External links

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2019&m=slackware-security.420794

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) Information disclosure

EUVDB-ID: #VU20477

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-15515

CWE-ID: CWE-200 - Information exposure