Amazon Linux AMI update for 389-ds-base



Published: 2018-06-08 | Updated: 2018-06-12
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-1089
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Amazon Linux AMI
Operating systems & Components / Operating system

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU12607

Risk: Medium

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1089

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in ns-slapd due to improper handling of long search filters with characters needing escapes. A remote attacker can submit a specially crafted LDAP request, trigger buffer overflow and cause the service to crash.

Mitigation

Update the affected packages.

i686:
    389-ds-base-debuginfo-1.3.7.5-21.56.amzn1.i686
    389-ds-base-devel-1.3.7.5-21.56.amzn1.i686
    389-ds-base-1.3.7.5-21.56.amzn1.i686
    389-ds-base-libs-1.3.7.5-21.56.amzn1.i686
    389-ds-base-snmp-1.3.7.5-21.56.amzn1.i686

src:
    389-ds-base-1.3.7.5-21.56.amzn1.src

x86_64:
    389-ds-base-1.3.7.5-21.56.amzn1.x86_64
    389-ds-base-snmp-1.3.7.5-21.56.amzn1.x86_64
    389-ds-base-libs-1.3.7.5-21.56.amzn1.x86_64
    389-ds-base-devel-1.3.7.5-21.56.amzn1.x86_64
    389-ds-base-debuginfo-1.3.7.5-21.56.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2018-1036.html


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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