Poppler 0.59.0 FoFiType1C.cc convertToType0 null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.1 | $0-$5k | 0.00 |
A vulnerability has been found in Poppler 0.59.0 (Document Reader Software) and classified as problematic. This vulnerability affects the function FoFiType1C::convertToType0
of the file FoFiType1C.cc. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:
The FoFiType1C::convertToType0 function in FoFiType1C.cc in Poppler 0.59.0 has a NULL pointer dereference vulnerability because a data structure is not initialized, which allows an attacker to launch a denial of service attack.
The bug was discovered 09/11/2017. The weakness was published 10/02/2017 as Bug 102653 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.freedesktop.org. This vulnerability was named CVE-2017-14975 since 10/01/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 20 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 104153 (Fedora 25 : mingw-poppler (2017-6127ddb036)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196931 (Ubuntu Security Notification for Poppler Vulnerabilities (USN-3440-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (104153). Similar entries are available at 106763, 106911, 107292 and 107293.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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Nessus ID: 104153
Nessus Name: Fedora 25 : mingw-poppler (2017-6127ddb036)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 867773
OpenVAS Name: Fedora Update for mingw-poppler FEDORA-2017-a0ffdf1fbd
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: UpgradeStatus: 🔍
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Timeline
09/11/2017 🔍10/01/2017 🔍
10/01/2017 🔍
10/02/2017 🔍
10/02/2017 🔍
10/25/2017 🔍
10/26/2017 🔍
05/26/2020 🔍
Sources
Advisory: Bug 102653Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-14975 (🔍)
OVAL: 🔍
See also: 🔍
Entry
Created: 10/02/2017 10:26Updated: 05/26/2020 07:44
Changes: 10/02/2017 10:26 (75), 05/26/2020 07:44 (5)
Complete: 🔍
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