Poppler 0.59.0 FoFiType1C.cc convertToType0 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Poppler 0.59.0. Impacted is the function FoFiType1C::convertToType0 of the file FoFiType1C.cc. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2017-14976. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Poppler 0.59.0 (Document Reader Software) and classified as critical. This issue affects the function FoFiType1C::convertToType0 of the file FoFiType1C.cc. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The FoFiType1C::convertToType0 function in FoFiType1C.cc in Poppler 0.59.0 has a heap-based buffer over-read vulnerability if an out-of-bounds font dictionary index is encountered, which allows an attacker to launch a denial of service attack.

The bug was discovered 09/11/2017. The weakness was released 10/02/2017 as Bug 102724 as confirmed bug report (Bugzilla). The advisory is shared at bugzilla.freedesktop.org. The identification of this vulnerability is CVE-2017-14976 since 10/01/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, 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 197007 (Ubuntu Security Notification for Poppler Vulnerabilities (USN-3517-1)).

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 databases at Tenable (104153) and SecurityFocus (BID 102187†). Entries connected to this vulnerability are available at VDB-106763, VDB-107292, VDB-107293 and VDB-107294. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: cgit.freedesktop.org

Timelineinfo

09/11/2017 🔍
10/01/2017 +20 days 🔍
10/01/2017 +0 days 🔍
10/02/2017 +1 days 🔍
10/02/2017 +0 days 🔍
10/25/2017 +23 days 🔍
10/26/2017 +1 days 🔍
11/20/2017 +25 days 🔍
12/30/2022 +1866 days 🔍

Sourcesinfo

Advisory: Bug 102724
Researcher: IBM, Eduardo Naranjo Pessota.
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-14976 (🔍)
GCVE (CVE): GCVE-0-2017-14976
GCVE (VulDB): GCVE-100-107321

OVAL: 🔍

SecurityFocus: 102187 - IBM Sterling File Gateway Directory Traversal and Information Disclosure Vulnerabilities

See also: 🔍

Entryinfo

Created: 10/02/2017 10:26
Updated: 12/30/2022 14:14
Changes: 10/02/2017 10:26 (77), 05/26/2020 07:59 (7), 01/14/2021 19:45 (2), 12/30/2022 14:14 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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