In the cron package through 3.0pl1-128 on Debian, and through 3.0pl1-128ubuntu2 on Ubuntu, the postinst maintainer script allows for group-crontab-to-root privilege escalation via symlink attacks against unsafe usage of the chown and chmod programs.

A local attacker can create a hard-link between a file to which the Check Point Endpoint Security client for Windows before E80.96 writes and another BAT file, then by impersonating the WPAD server, the attacker can write BAT commands into that file that will later be run by the user or the system.

The setpermissions function in the auto-updater in Arq before 5.9.7 for Mac allows local users to gain root privileges via a symlink attack on the updater binary itself.

mysqld_safe in Oracle MySQL through 5.5.51, 5.6.x through 5.6.32, and 5.7.x through 5.7.14; MariaDB; Percona Server before 5.5.51-38.2, 5.6.x before 5.6.32-78-1, and 5.7.x before 5.7.14-8; and Percona XtraDB Cluster before 5.5.41-37.0, 5.6.x before 5.6.32-25.17, and 5.7.x before 5.7.14-26.17, when using file-based logging, allows local users with access to the mysql account to gain root privileges via a symlink attack on error logs and possibly other files.

db2dasrrm in the DB2 Administration Server (DAS) in IBM DB2 Universal Database 9.5 before Fix Pack 1, 9.1 before Fix Pack 4a, and 8 before FixPak 16 allows local users to overwrite arbitrary files via a symlink attack on files used for initialization.

cfgcon in IBM AIX 5.2 and 5.3 does not properly validate the argument to the "-p" option to swcons, which allows local users in the system group to create an arbitrary file, and enable world writability of this file, via a symlink attack involving use of the file's name as the argument. NOTE: this issue is due to an incomplete fix for CVE-2007-5804.

cp, when running with an option to preserve symlinks on multiple OSes, allows local, user-assisted attackers to overwrite arbitrary files via a symlink attack using crafted directories containing multiple source files that are copied to the same destination.

The (1) tramp-make-temp-file and (2) tramp-make-tramp-temp-file functions in Tramp 2.1.10 extension for Emacs, and possibly earlier 2.1.x versions, allows local users to overwrite arbitrary files via a symlink attack on temporary files.

The DataLoader::doStart function in dataloader.cpp in QGit 1.5.6 and other versions up to 2pre1 allows local users to overwrite arbitrary files and execute arbitrary code via a symlink attack on temporary files with predictable filenames.

The open_log function in log.c in Exim 4.72 and earlier does not check the return value from (1) setuid or (2) setgid system calls, which allows local users to append log data to arbitrary files via a symlink attack.

deepin-clone before 1.1.3 uses a predictable path /tmp/.deepin-clone/mount/<block-dev-basename> in the Helper::temporaryMountDevice() function to temporarily mount a file system as root. An unprivileged user can prepare a symlink at this location to have the file system mounted in an arbitrary location. By winning a race condition, the attacker can also enter the mount point, thereby preventing a subsequent unmount of the file system.

cmus-status-display in cmus 2.2.0 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/cmus-status temporary file.

BSD pppd allows local users to change the permissions of arbitrary files via a symlink attack on a file that is specified as a tty device.

javareconf in R 2.7.2 allows local users to overwrite arbitrary files via a symlink attack on temporary files.

The abrt-hook-ccpp help program in Automatic Bug Reporting Tool (ABRT) before 2.7.1 allows local users with certain permissions to gain privileges via a symlink attack on a file with a predictable name, as demonstrated by /var/tmp/abrt/abrt-hax-coredump or /var/spool/abrt/abrt-hax-coredump.

The pa_make_secure_dir function in core-util.c in PulseAudio 0.9.10 and 0.9.19 allows local users to change the ownership and permissions of arbitrary files via a symlink attack on a /tmp/.esd-##### temporary file.

editcomment in crip 3.7 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/*.tag.tmp temporary file.

chm2pdf 0.9 allows user-assisted local users to delete arbitrary files via a symlink attack on .chm files in the (1) /tmp/chm2pdf/work or (2) /tmp/chm2pdf/orig temporary directories.

winetricks before 20081223 allows local users to overwrite arbitrary files via a symlink attack on the x_showmenu.txt temporary file.

Trend Micro Security 2020 (Consumer) contains a vulnerability in the installer package that could be exploited by placing a malicious DLL in a non-protected location with high privileges (symlink attack) which can lead to obtaining administrative privileges during the installation of the product.

sng_regress in SNG 1.0.2 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/recompiled$$.png, (2) /tmp/decompiled$$.sng, and (3) /tmp/canonicalized$$.sng temporary files.

trend-autoupdate.new in mailscanner 4.55.10 and other versions before 4.74.16-1 allows local users to overwrite arbitrary files via a symlink attack on a (1) /tmp/opr.ini.##### or (2) /tmp/lpt*.zip temporary file.

flamethrower in flamethrower 0.1.8 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/multicast.tar.##### temporary file.

netdisco-mibs-installer 1.0 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/netdisco-mibs-0.6.tar.gz temporary file, related to the (1) netdisco-mibs-install and (2) netdisco-mibs-download scripts.

tkman in tkman 2.2 allows local users to overwrite arbitrary files via a symlink attack on a (1) /tmp/tkman##### or (2) /tmp/ll temporary file.

nvidia-cg-toolkit-installer in nvidia-cg-toolkit 2.0.0015 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/nvidia-cg-toolkit-manifest temporary file.

noip2 in noip2 2.1.7 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/noip2 temporary file.

test_parser.py in mayavi 1.5 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/err.log temporary file.

dhis-dummy-log-engine in dhis-server 5.3 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/dhis-dummy-log-engine.log temporary file.

rrdedit in netmrg 0.20 allows local users to overwrite arbitrary files via a symlink attack on (1) /tmp/*.xml and (2) /tmp/*.backup temporary files.

NVIDIA GeForce Experience before 3.18 contains a vulnerability when ShadowPlay or GameStream is enabled. When an attacker has access to the system and creates a hard link, the software does not check for hard link attacks. This behavior may lead to code execution, denial of service, or escalation of privileges.

find_flags in Kitware GCC-XML (gccxml) 0.9.0 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/*.cxx temporary file.

postfix_groups.pl in Postfix 2.5.2 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/postfix_groups.stdout, (2) /tmp/postfix_groups.stderr, and (3) /tmp/postfix_groups.message temporary files. NOTE: the vendor disputes this vulnerability, stating "This is not a real issue ... users would have to edit a script under /usr/lib to enable it.

ogle 0.9.2 and ogle-mmx 0.9.2 allow local users to overwrite arbitrary files via a symlink attack on (a) /tmp/ogle_audio.#####, (b) /tmp/ogle_cli.#####, (c) /tmp/ogle_ctrl.#####, (d) /tmp/ogle_gui.#####, (e) /tmp/ogle_mpeg_ps.#####, (f) /tmp/ogle_mpeg_vs.#####, (g) /tmp/ogle_nav.#####, and (h) /tmp/ogle_vout.#####, temporary files, related to the (1) ogle_audio_debug, (2) ogle_cli_debug, (3) ogle_ctrl_debug, (4) ogle_gui_debug, (5) ogle_mpeg_ps_debug, (6) ogle_mpeg_vs_debug, (7) ogle_nav_debug, and (8) ogle_vout_debug scripts.

scilab-bin 4.1.2 allows local users to overwrite arbitrary files via a symlink attack on (a) /tmp/SciLink#####1, (b) /tmp/SciLink#####2, (c) /tmp/SciLink#####3, (d) /tmp/*.#####, (e) /tmp/*.#####.res, (f) /tmp/*.#####.err, and (g) /tmp/*.#####.diff temporary files, related to the (1) scilink, (2) scidoc, and (3) scidem scripts.

master-filter in printfilters-ppd 2.13 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/filter.debug temporary file. NOTE: the vendor disputes this vulnerability, stating 'this package does not have " possibility of attack with the help of symlinks"'

dist 3.5 allows local users to overwrite arbitrary files via a symlink attack on (a) /tmp/cil#####, (b) /tmp/pdo#####, and (c) /tmp/pdn##### temporary files, related to the (1) patcil and (2) patdiff scripts.

pscal in xcal 4.1 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/pscal##### temporary file.

delqueueask in rccp 0.9 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/cccp_tmp.txt temporary file.

audiolink in audiolink 0.05 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/audiolink.db.tmp and (2) /tmp/audiolink.tb.tmp temporary files.

rkhunter in rkhunter 1.3.2 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/rkhunter-debug temporary file. NOTE: this is probably a different vulnerability than CVE-2005-1270.

vdrleaktest in Video Disk Recorder (aka vdr-dbg or vdr) 1.6.0 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/memleaktest.log temporary file.

convirt 0.8.2 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/set_output temporary file, related to the (1) _template_/provision.sh, (2) Linux_CD_Install/provision.sh, (3) Fedora_PV_Install/provision.sh, (4) CentOS_PV_Install/provision.sh, (5) common/provision.sh, (6) example/provision.sh, and (7) Windows_CD_Install/provision.sh scripts in image_store/.

gccross in dpkg-cross 2.3.0 allows local users to overwrite arbitrary files via a symlink attack on the tmp/gccross2.log temporary file. NOTE: the vendor disputes this vulnerability, stating that "There is no sense in this bug - the script ... is called under specific cross-building environments within a chroot.

wims 3.62 allows local users to overwrite arbitrary files via a symlink attack on (a) /tmp/env#####, (b) /tmp/sed#####, and (c) /tmp/referer-home.log temporary files, related to the (1) coqweb and (2) account.sh scripts.

fest.pl in digitaldj 0.7.5 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/ddj_fest.tmp temporary file.

Ilex International Sign&go Workstation Security Suite 7.1 allows elevation of privileges via a symlink attack on ProgramData\Ilex\S&G\Logs\000-sngWSService1.log.

Multiple unspecified vulnerabilities in Blender have unknown impact and attack vectors, related to "temporary file issues."

Windows User Profile Service Elevation of Privilege Vulnerability

libodm.a in IBM AIX 6.1 and 7.1, and VIOS 2.2.x, allows local users to overwrite arbitrary files via a symlink attack on a temporary file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-2179.