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CVE-2018-17972

kernel: Unprivileged users able to inspect kernel stacks of arbitrary tasks

An issue was discovered in the proc_pid_stack function in fs/proc/base.c in the Linux kernel through 4.18.11. It does not ensure that only root may inspect the kernel stack of an arbitrary task, allowing a local attacker to exploit racy stack unwinding and leak kernel task stack contents.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Linux and 1 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 8 more
CVE-2018-17961

ghostscript: Saved execution stacks can leak operator arrays (incomplete fix for CVE-2018-17183)

Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving errorhandler setup. NOTE: this issue exists because of an incomplete fix for CVE-2018-17183.

CVSS 3.0 · 8.6 High EPSS 10.0% KEV · Not listed
Vendors
Artifex Canonical Debian and 1 more
Products
Ghostscript Ubuntu Linux Debian Linux and 7 more
CVE-2018-17466

firefox: Memory corruption in Angle

Incorrect texture handling in Angle in Google Chrome prior to 70.0.3538.67 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page.

CVSS 3.0 · 8.8 High EPSS 2.9% KEV · Not listed
Vendors
Canonical Debian Google and 1 more
Products
Ubuntu Linux Debian Linux Chrome and 8 more
CVE-2018-17456

git: arbitrary code execution via .gitmodules

Git before 2.14.5, 2.15.x before 2.15.3, 2.16.x before 2.16.5, 2.17.x before 2.17.2, 2.18.x before 2.18.1, and 2.19.x before 2.19.1 allows remote code execution during processing of a recursive "git clone" of a superproject if a .gitmodules file has a URL field beginning with a '-' character.

CVSS 3.0 · 9.8 Critical EPSS 97.4% KEV · Not listed
Vendors
Canonical Debian Git-scm and 1 more
Products
Ubuntu Linux Debian Linux Git and 9 more
CVE-2018-17183

ghostscript: User-writable error exception table

Artifex Ghostscript before 9.25 allowed a user-writable error exception table, which could be used by remote attackers able to supply crafted PostScript to potentially overwrite or replace error handlers to inject code.

CVSS 3.0 · 7.8 High EPSS 1.8% KEV · Not listed
Vendors
Artifex Canonical Debian and 1 more
Products
Ghostscript Ubuntu Linux Debian Linux and 7 more
CVE-2018-16871

kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence

A flaw was found in the Linux kernel's NFS implementation, all versions 3.x and all versions 4.x up to 4.20. An attacker, who is able to mount an exported NFS filesystem, is able to trigger a null pointer dereference by using an invalid NFS sequence. This can panic the machine and deny access to the NFS server. Any outstanding disk writes to the NFS server will be lost.

CVSS 3.1 · 7.5 High EPSS 2.7% KEV · Not listed
Vendors
Linux Netapp Redhat
Products
Linux Kernel Cloud Backup H300e and 28 more
CVE-2018-16863

ghostscript: incomplete fix for CVE-2018-16509

It was found that RHSA-2018:2918 did not fully fix CVE-2018-16509. An attacker could possibly exploit another variant of the flaw and bypass the -dSAFER protection to, for example, execute arbitrary shell commands via a specially crafted PostScript document. This only affects ghostscript 9.07 as shipped with Red Hat Enterprise Linux 7.

CVSS 3.0 · 7.3 High EPSS 1.2% KEV · Not listed
Vendors
Artifex Redhat
Products
Ghostscript Enterprise Linux Enterprise Linux Desktop and 5 more
CVE-2018-16802

ghostscript: Incorrect "restoration of privilege" checking when running out of stack during exception handling

An issue was discovered in Artifex Ghostscript before 9.25. Incorrect "restoration of privilege" checking when running out of stack during exception handling could be used by attackers able to supply crafted PostScript to execute code using the "pipe" instruction. This is due to an incomplete fix for CVE-2018-16509.

CVSS 3.0 · 7.8 High EPSS 2.1% KEV · Not listed
Vendors
Artifex Canonical Debian and 1 more
Products
Ghostscript Ubuntu Linux Debian Linux and 7 more
CVE-2018-16542

ghostscript: .definemodifiedfont memory corruption if /typecheck is handled (699668)

In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files could use insufficient interpreter stack-size checking during error handling to crash the interpreter.

CVSS 3.0 · 5.5 Medium EPSS 1.9% KEV · Not listed
Vendors
Artifex Canonical Debian and 1 more
Products
Ghostscript Ubuntu Linux Debian Linux and 5 more
CVE-2018-16541

ghostscript: Incorrect free logic in pagedevice replacement (699664)

In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files could use incorrect free logic in pagedevice replacement to crash the interpreter.

CVSS 3.0 · 5.5 Medium EPSS 1.4% KEV · Not listed
Vendors
Artifex Canonical Debian and 1 more
Products
Ghostscript Ubuntu Linux Debian Linux and 7 more
CVE-2018-16540

ghostscript: use-after-free in copydevice handling (699661)

In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files to the builtin PDF14 converter could use a use-after-free in copydevice handling to crash the interpreter or possibly have unspecified other impact.

CVSS 3.0 · 7.8 High EPSS 1.6% KEV · Not listed
Vendors
Artifex Canonical Debian and 1 more
Products
Ghostscript Ubuntu Linux Debian Linux and 8 more
CVE-2018-16539

ghostscript: incorrect access checking in temp file handling to disclose contents of files (699658)

In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files could use incorrect access checking in temp file handling to disclose contents of files on the system otherwise not readable.

CVSS 3.0 · 5.5 Medium EPSS 1.4% KEV · Not listed
Vendors
Artifex Canonical Debian and 1 more
Products
Ghostscript Ubuntu Linux Debian Linux and 7 more
CVE-2018-16511

ghostscript: missing type check in type checker (699659)

An issue was discovered in Artifex Ghostscript before 9.24. A type confusion in "ztype" could be used by remote attackers able to supply crafted PostScript to crash the interpreter or possibly have unspecified other impact.

CVSS 3.0 · 7.8 High EPSS 1.9% KEV · Not listed
Vendors
Artifex Canonical Debian and 1 more
Products
Ghostscript Ubuntu Linux Debian Linux and 7 more
CVE-2018-16509

ghostscript: /invalidaccess bypass after failed restore (699654)

An issue was discovered in Artifex Ghostscript before 9.24. Incorrect "restoration of privilege" checking during handling of /invalidaccess exceptions could be used by attackers able to supply crafted PostScript to execute code using the "pipe" instruction.

CVSS 3.0 · 7.8 High EPSS 92.3% KEV · Not listed
Vendors
Artifex Canonical Debian and 1 more
Products
Ghostscript Gpl Ghostscript Ubuntu Linux and 6 more
CVE-2018-15911

ghostscript: Uninitialized memory access in the aesdecode operator (699665)

In Artifex Ghostscript 9.23 before 2018-08-24, attackers able to supply crafted PostScript could use uninitialized memory access in the aesdecode operator to crash the interpreter or potentially execute code.

CVSS 3.0 · 7.8 High EPSS 3.0% KEV · Not listed
Vendors
Artifex Canonical Debian and 2 more
Products
Ghostscript Gpl Ghostscript Ubuntu Linux and 9 more
CVE-2018-15910

ghostscript: LockDistillerParams type confusion (699656)

In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files could use a type confusion in the LockDistillerParams parameter to crash the interpreter or execute code.

CVSS 3.0 · 7.8 High EPSS 3.0% KEV · Not listed
Vendors
Artifex Canonical Debian and 2 more
Products
Ghostscript Gpl Ghostscript Ubuntu Linux and 7 more
CVE-2018-15909

ghostscript: shading_param incomplete type checking (699660)

In Artifex Ghostscript 9.23 before 2018-08-24, a type confusion using the .shfill operator could be used by attackers able to supply crafted PostScript files to crash the interpreter or potentially execute code.

CVSS 3.0 · 7.8 High EPSS 3.0% KEV · Not listed
Vendors
Artifex Canonical Debian and 2 more
Products
Ghostscript Gpl Ghostscript Ubuntu Linux and 9 more
CVE-2018-15908

ghostscript: .tempfile file permission issues (699657)

In Artifex Ghostscript 9.23 before 2018-08-23, attackers are able to supply malicious PostScript files to bypass .tempfile restrictions and write files.

CVSS 3.0 · 7.8 High EPSS 1.9% KEV · Not listed
Vendors
Artifex Canonical Debian and 1 more
Products
Ghostscript Ubuntu Linux Debian Linux and 6 more
CVE-2018-15127

libvncserver: Heap out-of-bounds write in rfbserver.c in rfbProcessFileTransferReadBuffer() allows for potential code execution

LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write vulnerability in server code of file transfer extension that can result remote code execution

CVSS 3.0 · 9.8 Critical EPSS 15.1% KEV · Not listed
Vendors
Canonical Debian Libvnc Project and 1 more
Products
Ubuntu Linux Debian Linux Libvncserver and 7 more
CVE-2018-14650

sos-collector: incorrect permissions set on newly created files

It was discovered that sos-collector does not properly set the default permissions of newly created files, making all files created by the tool readable by any local user. A local attacker may use this flaw by waiting for a legit user to run sos-collector and steal the collected data in the /var/tmp directory.

CVSS 3.0 · 5.9 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat Sos-collector Project
Products
Enterprise Linux Enterprise Linux Desktop Enterprise Linux Server and 4 more