Artifex jbig2dec 0.13 jbig2_huffman.c jbig2_build_huffman_table integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Artifex jbig2dec 0.13. This vulnerability affects the function jbig2_build_huffman_table of the file jbig2_huffman.c. Such manipulation leads to integer overflow. This vulnerability is listed as CVE-2017-7975. The attack must be carried out locally. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Artifex jbig2dec 0.13. It has been rated as critical. Affected by this issue is the function jbig2_build_huffman_table of the file jbig2_huffman.c. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Artifex jbig2dec 0.13, as used in Ghostscript, allows out-of-bounds writes because of an integer overflow in the jbig2_build_huffman_table function in jbig2_huffman.c during operations on a crafted JBIG2 file, leading to a denial of service (application crash) or possibly execution of arbitrary code.

The bug was discovered 03/29/2017. The weakness was presented 04/19/2017 (Website). The advisory is shared for download at bugs.ghostscript.com. This vulnerability is handled as CVE-2017-7975 since 04/19/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 21 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 100013 (Fedora 25 : ghostscript (2017-c85c0e5637)), 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 277699 (Fedora Security Update for ghostscript (FEDORA-2017-a606d224a5)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100013) and SecurityFocus (BID 97410†). See VDB-99231, VDB-99232, VDB-99233 and VDB-99234 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100013
Nessus Name: Fedora 25 : ghostscript (2017-c85c0e5637)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for ghostscript FEDORA-2017-c85c0e5637
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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Timelineinfo

03/29/2017 🔍
04/03/2017 +5 days 🔍
04/19/2017 +16 days 🔍
04/19/2017 +0 days 🔍
04/19/2017 +0 days 🔍
04/20/2017 +1 days 🔍
05/06/2017 +16 days 🔍
05/08/2017 +2 days 🔍
12/01/2022 +2033 days 🔍

Sourcesinfo

Vendor: artifex.com

Advisory: FEDORA-2017-c85c0e5637
Researcher: Kamil Frankowicz
Status: Confirmed

CVE: CVE-2017-7975 (🔍)
GCVE (CVE): GCVE-0-2017-7975
GCVE (VulDB): GCVE-100-100268

OVAL: 🔍

SecurityFocus: 97410 - Ghostscript 'base/gxht_thresh.c' Heap Buffer Overflow Vulnerability
OSVDB: - CVE-2017-7975 - Artifex - jbig2dec - Integer Overflow Issue

See also: 🔍

Entryinfo

Created: 04/20/2017 09:48
Updated: 12/01/2022 14:00
Changes: 04/20/2017 09:48 (77), 09/17/2020 20:22 (6), 12/20/2020 22:25 (2), 12/01/2022 14:00 (3)
Complete: 🔍
Cache ID: 216::103

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