Heap-based buffer overflow in Poppler - CVE-2017-14976
Published: October 2, 2017 / Updated: October 2, 2017
Vulnerability identifier: #VU8653
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-14976
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Freedesktop.org
Affected software:
Poppler
Poppler
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to boundary error in FoFiType1C::convertToType0 function in FoFiType1C.cc when processing fonts in documents. A remote unauthenticated attacker can create a specially crafted document and trigger application crash.
How to mitigate CVE-2017-14976
Install update from vendor's repository:
https://cgit.freedesktop.org/poppler/poppler/commit/?id=da63c35549e8852a410946ab016a3f25ac701bdf
https://cgit.freedesktop.org/poppler/poppler/commit/?id=da63c35549e8852a410946ab016a3f25ac701bdf