Amazon Linux AMI update for bind



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2015-8704
CVE-2015-8705
CWE-ID CWE-20
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 information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU31952

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2015-8704

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

apl_42.c in ISC BIND 9.x before 9.9.8-P3, 9.9.x, and 9.10.x before 9.10.3-P3 allows remote authenticated users to cause a denial of service (INSIST assertion failure and daemon exit) via a malformed Address Prefix List (APL) record.

Mitigation

Update the affected packages:

i686:
    bind-9.8.2-0.37.rc1.43.amzn1.i686
    bind-chroot-9.8.2-0.37.rc1.43.amzn1.i686
    bind-devel-9.8.2-0.37.rc1.43.amzn1.i686
    bind-debuginfo-9.8.2-0.37.rc1.43.amzn1.i686
    bind-utils-9.8.2-0.37.rc1.43.amzn1.i686
    bind-libs-9.8.2-0.37.rc1.43.amzn1.i686
    bind-sdb-9.8.2-0.37.rc1.43.amzn1.i686

src:
    bind-9.8.2-0.37.rc1.43.amzn1.src

x86_64:
    bind-sdb-9.8.2-0.37.rc1.43.amzn1.x86_64
    bind-libs-9.8.2-0.37.rc1.43.amzn1.x86_64
    bind-9.8.2-0.37.rc1.43.amzn1.x86_64
    bind-devel-9.8.2-0.37.rc1.43.amzn1.x86_64
    bind-utils-9.8.2-0.37.rc1.43.amzn1.x86_64
    bind-debuginfo-9.8.2-0.37.rc1.43.amzn1.x86_64
    bind-chroot-9.8.2-0.37.rc1.43.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3 External links

https://alas.aws.amazon.com/ALAS-2016-641.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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: #VU31953

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2015-8705

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.

buffer.c in named in ISC BIND 9.10.x before 9.10.3-P3, when debug logging is enabled, allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit, or daemon crash) or possibly have unspecified other impact via (1) OPT data or (2) an ECS option.

Mitigation

Update the affected packages:

i686:
    bind-9.8.2-0.37.rc1.43.amzn1.i686
    bind-chroot-9.8.2-0.37.rc1.43.amzn1.i686
    bind-devel-9.8.2-0.37.rc1.43.amzn1.i686
    bind-debuginfo-9.8.2-0.37.rc1.43.amzn1.i686
    bind-utils-9.8.2-0.37.rc1.43.amzn1.i686
    bind-libs-9.8.2-0.37.rc1.43.amzn1.i686
    bind-sdb-9.8.2-0.37.rc1.43.amzn1.i686

src:
    bind-9.8.2-0.37.rc1.43.amzn1.src

x86_64:
    bind-sdb-9.8.2-0.37.rc1.43.amzn1.x86_64
    bind-libs-9.8.2-0.37.rc1.43.amzn1.x86_64
    bind-9.8.2-0.37.rc1.43.amzn1.x86_64
    bind-devel-9.8.2-0.37.rc1.43.amzn1.x86_64
    bind-utils-9.8.2-0.37.rc1.43.amzn1.x86_64
    bind-debuginfo-9.8.2-0.37.rc1.43.amzn1.x86_64
    bind-chroot-9.8.2-0.37.rc1.43.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3 External links

https://alas.aws.amazon.com/ALAS-2016-641.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.



###SIDEBAR###