Amazon Linux AMI update for poppler

Published: 2017-09-29 | Updated: 2017-10-02

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2017-9775 CVE-2017-9776
CWE-ID	CWE-121 CWE-190
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) Stack-based buffer overflow

EUVDB-ID: #VU7270

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-9775

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when processing PDF files within GfxState.cc in pdftocairo in Poppler before 0.56. A remote unauthenticated attacker can create a specially crafted PDF file, trick the victim into opening it, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install the updated version:

i686:
    poppler-cpp-devel-0.26.5-17.17.amzn1.i686
    poppler-cpp-0.26.5-17.17.amzn1.i686
    poppler-0.26.5-17.17.amzn1.i686
    poppler-debuginfo-0.26.5-17.17.amzn1.i686
    poppler-glib-devel-0.26.5-17.17.amzn1.i686
    poppler-glib-0.26.5-17.17.amzn1.i686
    poppler-utils-0.26.5-17.17.amzn1.i686
    poppler-devel-0.26.5-17.17.amzn1.i686

src:
    poppler-0.26.5-17.17.amzn1.src

x86_64:
    poppler-cpp-0.26.5-17.17.amzn1.x86_64
    poppler-glib-devel-0.26.5-17.17.amzn1.x86_64
    poppler-devel-0.26.5-17.17.amzn1.x86_64
    poppler-glib-0.26.5-17.17.amzn1.x86_64
    poppler-0.26.5-17.17.amzn1.x86_64
    poppler-debuginfo-0.26.5-17.17.amzn1.x86_64
    poppler-utils-0.26.5-17.17.amzn1.x86_64
    poppler-cpp-devel-0.26.5-17.17.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3

cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*

External links

https://alas.aws.amazon.com/ALAS-2017-902.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.

2) Integer overflow

EUVDB-ID: #VU7272