Out-of-bounds read in LibTIFF

1) Out-of-bounds read

EUVDB-ID: #VU32174

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-8127

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the tif_dir.c function in the thumbnail tool, (2) compresscontig function file. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and crash the affected application.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

LibTIFF: 1:6.0p1-4+deb7u4

CPE2.3

• cpe:2.3:a:libtiff:libtiff:1:6.0p1-4 deb7u4:*:*:*:*:*:*:*

External links

https://bugzilla.maptools.org/show_bug.cgi?id=2484
https://bugzilla.maptools.org/show_bug.cgi?id=2485
https://bugzilla.maptools.org/show_bug.cgi?id=2486
https://bugzilla.maptools.org/show_bug.cgi?id=2496
https://bugzilla.maptools.org/show_bug.cgi?id=2497
https://bugzilla.maptools.org/show_bug.cgi?id=2500
https://lists.opensuse.org/opensuse-updates/2015-03/msg00022.html
https://rhn.redhat.com/errata/RHSA-2016-1546.html
https://rhn.redhat.com/errata/RHSA-2016-1547.html
https://www.conostix.com/pub/adv/CVE-2014-8127-LibTIFF-Out-of-bounds_Reads.txt
https://www.debian.org/security/2015/dsa-3273
https://www.openwall.com/lists/oss-security/2015/01/24/15
https://www.securityfocus.com/bid/72323
https://www.securitytracker.com/id/1032760
https://security.gentoo.org/glsa/201701-16

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.