Amazon Linux AMI update for lua



Published: 2014-09-18
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2014-5461
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: #VU33088

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-5461

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Buffer overflow in the vararg functions in ldo.c in Lua 5.1 through 5.2.x before 5.2.3 allows context-dependent attackers to cause a denial of service (crash) via a small number of arguments to a function with a large number of fixed arguments.

Mitigation

Update the affected packages:

i686:
    lua-5.1.4-4.1.9.amzn1.i686
    lua-devel-5.1.4-4.1.9.amzn1.i686
    lua-debuginfo-5.1.4-4.1.9.amzn1.i686
    lua-static-5.1.4-4.1.9.amzn1.i686

src:
    lua-5.1.4-4.1.9.amzn1.src

x86_64:
    lua-devel-5.1.4-4.1.9.amzn1.x86_64
    lua-debuginfo-5.1.4-4.1.9.amzn1.x86_64
    lua-static-5.1.4-4.1.9.amzn1.x86_64
    lua-5.1.4-4.1.9.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2014-402.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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