Artifex Ghostscript up to 9.22 PostScript File 7pk security
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.4 | $0-$5k | 0.00 |
A vulnerability was found in Artifex Ghostscript up to 9.22 (Document Processing Software) and classified as critical. This issue affects an unknown part of the component PostScript File Handler. The manipulation with an unknown input leads to a 7pk security vulnerability. Using CWE to declare the problem leads to CWE-254. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
In Artifex Ghostscript 9.23 before 2018-08-23, attackers are able to supply malicious PostScript files to bypass .tempfile restrictions and write files.
The bug was discovered 08/24/2018. The weakness was disclosed 08/27/2018 (Website). It is possible to read the advisory at git.ghostscript.com. The identification of this vulnerability is CVE-2018-15908 since 08/27/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1211 according to MITRE ATT&CK.
The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 117487 (Debian DLA-1504-1 : ghostscript security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 237067 (Red Hat Update for ghostscript (RHSA-2018:3650)).
Upgrading to version 9.23 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (117487). The entries 116568, 118612, 123288 and 123289 are pretty similar.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB 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: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: 7pk securityCWE: CWE-254
ATT&CK: T1211
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 117487
Nessus Name: Debian DLA-1504-1 : ghostscript security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Ghostscript 9.23
Patch: 0d3901189f245232f0161addf215d7268c4d05a3
Timeline
08/24/2018 🔍08/27/2018 🔍
08/27/2018 🔍
08/27/2018 🔍
08/28/2018 🔍
08/28/2018 🔍
09/13/2018 🔍
09/14/2018 🔍
05/04/2023 🔍
Sources
Vendor: artifex.comAdvisory: RHSA-2018:3650
Status: Confirmed
CVE: CVE-2018-15908 (🔍)
OVAL: 🔍
SecurityFocus: 105178 - Ghostscript 'shading_param' Remote Code Execution Vulnerability
See also: 🔍
Entry
Created: 08/28/2018 06:35Updated: 05/04/2023 17:14
Changes: 08/28/2018 06:35 (77), 03/18/2020 15:33 (4), 05/04/2023 17:14 (6)
Complete: 🔍
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