Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU32121
Risk: Low
CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2017-7593
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a local non-authenticated attacker to gain access to sensitive information.
tif_read.c in LibTIFF 4.0.7 does not ensure that tif_rawdata is properly initialized, which might allow remote attackers to obtain sensitive information from process memory via a crafted image.
MitigationInstall update from vendor's website.
Vulnerable software versionsLibTIFF: 1:6.0p1-4+deb7u4
CPE2.3 External linkshttps://bugzilla.maptools.org/show_bug.cgi?id=2651
https://www.debian.org/security/2017/dsa-3844
https://www.securityfocus.com/bid/97502
https://security.gentoo.org/glsa/201709-27
https://usn.ubuntu.com/3602-1/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.