Amazon Linux AMI update for cyrus-sasl



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2013-4122
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU33161

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-4122

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via (1) an invalid salt or, when FIPS-140 is enabled, a (2) DES or (3) MD5 encrypted password, which triggers a NULL pointer dereference.

Mitigation

Update the affected packages:

i686:
    cyrus-sasl-ldap-2.1.23-13.14.amzn1.i686
    cyrus-sasl-ntlm-2.1.23-13.14.amzn1.i686
    cyrus-sasl-debuginfo-2.1.23-13.14.amzn1.i686
    cyrus-sasl-sql-2.1.23-13.14.amzn1.i686
    cyrus-sasl-lib-2.1.23-13.14.amzn1.i686
    cyrus-sasl-plain-2.1.23-13.14.amzn1.i686
    cyrus-sasl-devel-2.1.23-13.14.amzn1.i686
    cyrus-sasl-gssapi-2.1.23-13.14.amzn1.i686
    cyrus-sasl-2.1.23-13.14.amzn1.i686
    cyrus-sasl-md5-2.1.23-13.14.amzn1.i686

src:
    cyrus-sasl-2.1.23-13.14.amzn1.src

x86_64:
    cyrus-sasl-ntlm-2.1.23-13.14.amzn1.x86_64
    cyrus-sasl-ldap-2.1.23-13.14.amzn1.x86_64
    cyrus-sasl-debuginfo-2.1.23-13.14.amzn1.x86_64
    cyrus-sasl-sql-2.1.23-13.14.amzn1.x86_64
    cyrus-sasl-devel-2.1.23-13.14.amzn1.x86_64
    cyrus-sasl-lib-2.1.23-13.14.amzn1.x86_64
    cyrus-sasl-plain-2.1.23-13.14.amzn1.x86_64
    cyrus-sasl-gssapi-2.1.23-13.14.amzn1.x86_64
    cyrus-sasl-md5-2.1.23-13.14.amzn1.x86_64
    cyrus-sasl-2.1.23-13.14.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3 External links

https://alas.aws.amazon.com/ALAS-2014-338.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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