Known exploited vulnerability
CVE-2017-8291
The short answer
CVE-2017-8291 affects n/a n/a and is rated high (CVSS 7.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-05-24: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
Artifex Ghostscript through 2017-04-26 allows -dSAFER bypass and remote command execution via .rsdparams type confusion with a "/OutputFile (%pipe%" substring in a crafted .eps document that is an input to the gs program, as exploited in the wild in April 2017.
Weakness: CWE-843.
Severity
7.8 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since May 24, 2022
Federal due date Jun 14, 2022
EPSS, next 30 days
97%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
n/a. NVD's record lists the exact affected versions.
References
- access.redhat.com/errata/RHSA-2017:1230 Third Party Advisory
- bugs.ghostscript.com/show_bug.cgi?id=697808 Issue TrackingThird Party AdvisoryVDB Entry
- bugzilla.redhat.com/show_bug.cgi?id=1446063 Issue TrackingPatchThird Party AdvisoryVDB Entry
- bugzilla.suse.com/show_bug.cgi?id=1036453 ExploitIssue TrackingThird Party AdvisoryVDB Entry
- git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=04b37bbce174eed24edec7ad5b920eb93db4d47d Broken Link
- security.gentoo.org/glsa/201708-06 Third Party Advisory
- www.exploit-db.com/exploits/41955/ ExploitThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2017:1230 Third Party Advisory
- bugs.ghostscript.com/show_bug.cgi?id=697808 Issue TrackingThird Party AdvisoryVDB Entry
- bugzilla.redhat.com/show_bug.cgi?id=1446063 Issue TrackingPatchThird Party AdvisoryVDB Entry
- bugzilla.suse.com/show_bug.cgi?id=1036453 ExploitIssue TrackingThird Party AdvisoryVDB Entry
- git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=04b37bbce174eed24edec7ad5b920eb93db4d47d Broken Link
Questions
Is CVE-2017-8291 being exploited?
Yes. CISA added CVE-2017-8291 to its Known Exploited Vulnerabilities catalog on 2022-05-24, with a federal remediation due date of 2022-06-14.
How do I fix CVE-2017-8291?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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