A flaw was found in ghostscript. The fix for CVE-2020-16305 in ghostscript was not included in RHSA-2021:1852-06 advisory as it was claimed to be. This issue only affects the ghostscript package as shipped with Red Hat Enterprise Linux 8.

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2023:0141 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    CVE-2023-28879:
    In Artifex Ghostscript through 10.01.0, there is a buffer overflow leading to potential corruption of data     internal to the PostScript interpreter, in base/sbcp.c. This affects BCPEncode, BCPDecode, TBCPEncode, and     TBCPDecode. If the write buffer is filled to one byte less than full, and one then tries to write an     escaped character, two bytes are written.

    CVE-2023-38559:
    A buffer overflow flaw was found in base/gdevdevn.c:1973 in devn_pcx_write_rle() in ghostscript. This     issue may allow a local attacker to cause a denial of service via outputting a crafted PDF file for a DEVN     device with gs.

    CVE-2023-4042:
    A flaw was found in ghostscript. The fix for CVE-2020-16305 in ghostscript was not included in     RHSA-2021:1852-06 advisory as it was claimed to be. This issue only affects the ghostscript package as     shipped with Red Hat Enterprise Linux 8.

    CVE-2023-43115:
    In Artifex Ghostscript through 10.01.2, gdevijs.c in GhostPDL can lead to remote code execution via     crafted PostScript documents because they can switch to the IJS device, or change the IjsServer parameter,     after SAFER has been activated. NOTE: it is a documented risk that the IJS server can be specified on a gs     command line (the IJS device inherently must execute a command to start the IJS server).

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A flaw was found in ghostscript. The fix for CVE-2020-16305 in ghostscript was not included in     RHSA-2021:1852-06 advisory as it was claimed to be. This issue only affects the ghostscript package as     shipped with Red Hat Enterprise Linux 8. (CVE-2023-4042)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-7053 advisory.

    - fix for CVE-2023-4042
    - fix for CVE-2023-38559
    - fix for CVE-2023-28879

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7053 advisory.

    The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript     translates PostScript code to common bitmap formats so that the code can be displayed or printed.

    Security Fix(es):

    * ghostscript: buffer overflow in base/sbcp.c leading to data corruption (CVE-2023-28879)

    * ghostscript: Out-of-bound read in base/gdevdevn.c:1973 in devn_pcx_write_rle could result in DoS     (CVE-2023-38559)

    * ghostscript: Incomplete fix for CVE-2020-16305 (CVE-2023-4042)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.9 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2023:7053 advisory.

  - In Artifex Ghostscript through 10.01.0, there is a buffer overflow leading to potential corruption of data     internal to the PostScript interpreter, in base/sbcp.c. This affects BCPEncode, BCPDecode, TBCPEncode, and     TBCPDecode. If the write buffer is filled to one byte less than full, and one then tries to write an     escaped character, two bytes are written. (CVE-2023-28879)

  - A buffer overflow flaw was found in base/gdevdevn.c:1973 in devn_pcx_write_rle() in ghostscript. This     issue may allow a local attacker to cause a denial of service via outputting a crafted PDF file for a DEVN     device with gs. (CVE-2023-38559)

  - A flaw was found in ghostscript. The fix for CVE-2020-16305 in ghostscript was not included in     RHSA-2021:1852-06 advisory as it was claimed to be. This issue only affects the ghostscript package as     shipped with Red Hat Enterprise Linux 8. (CVE-2023-4042)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
236281	Alibaba Cloud Linux 3 : 0141: ghostscript (ALINUX3-SA-2023:0141)	Nessus	Alibaba Cloud Linux Local Security Checks	critical
226217	Linux Distros Unpatched Vulnerability : CVE-2023-4042	Nessus	Misc.	medium
186114	Oracle Linux 8 : ghostscript (ELSA-2023-7053)	Nessus	Oracle Linux Local Security Checks	critical
185678	RHEL 8 : ghostscript (RHSA-2023:7053)	Nessus	Red Hat Local Security Checks	critical
185638	CentOS 8 : ghostscript (CESA-2023:7053)	Nessus	CentOS Local Security Checks	critical

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CVE-2023-4042

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