CVE-2015-7758
published 2016-01-08CVE-2015-7758: Gummi 0.6.5 allows local users to write to arbitrary files via a symlink attack on a temporary dot file that uses the name of an existing file and a (1) .aux…
PriorityP412low3.3CVSS 3.0
AVLACLPRLUINSUCNILAN
EPSS
0.39%
32.1th percentile
Gummi 0.6.5 allows local users to write to arbitrary files via a symlink attack on a temporary dot file that uses the name of an existing file and a (1) .aux, (2) .log, (3) .out, (4) .pdf, or (5) .toc extension for the file name, as demonstrated by .thesis.tex.aux.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | gummi | < gummi 0.6.5-6 (bookworm) | gummi 0.6.5-6 (bookworm) |
| gummi_project | gummi | — | — |
| gummi_project | gummi | >= 0 < 0.6.5-6 | 0.6.5-6 |
| gummi_project | gummi | >= 0 < 0.6.5-6 | 0.6.5-6 |
| gummi_project | gummi | >= 0 < 0.6.5-6 | 0.6.5-6 |
| gummi_project | gummi | >= 0 < 0.6.5-6 | 0.6.5-6 |
| opensuse | leap | — | — |
| opensuse | opensuse | — | — |
| opensuse | opensuse | — | — |
CVSS provenance
nvdv3.03.3LOWCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:P/A:N
osv3.3LOW
vendor_debian3.3LOW
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Debian
CVE-2015-7758: gummi - Gummi 0.6.5 allows local users to write to arbitrary files via a symlink attack ...
vendor_debian·2015·CVSS 3.3
CVE-2015-7758 [LOW] CVE-2015-7758: gummi - Gummi 0.6.5 allows local users to write to arbitrary files via a symlink attack ...
Gummi 0.6.5 allows local users to write to arbitrary files via a symlink attack on a temporary dot file that uses the name of an existing file and a (1) .aux, (2) .log, (3) .out, (4) .pdf, or (5) .toc extension for the file name, as demonstrated by .thesis.tex.aux.
Scope: local
bookworm: resolved (fixed in 0.6.5-6)
bullseye: resolved (fixed in 0.6.5-6)
forky: resolved (fixed in 0.6.5-6)
sid: resolved (fixed in 0.6.5-6)
trixie: resolved (fixed in 0.6.5-6)
GHSA
GHSA-r6gw-xg73-f977: Gummi 0
ghsa_unreviewed·2022-05-14
CVE-2015-7758 [LOW] CWE-59 GHSA-r6gw-xg73-f977: Gummi 0
Gummi 0.6.5 allows local users to write to arbitrary files via a symlink attack on a temporary dot file that uses the name of an existing file and a (1) .aux, (2) .log, (3) .out, (4) .pdf, or (5) .toc extension for the file name, as demonstrated by .thesis.tex.aux.
OSV
CVE-2015-7758: Gummi 0
osv·2016-01-08·CVSS 3.3
CVE-2015-7758 [LOW] CVE-2015-7758: Gummi 0
Gummi 0.6.5 allows local users to write to arbitrary files via a symlink attack on a temporary dot file that uses the name of an existing file and a (1) .aux, (2) .log, (3) .out, (4) .pdf, or (5) .toc extension for the file name, as demonstrated by .thesis.tex.aux.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2015-7758 gummi: Use of predictable filenames in /tmp
bugzilla·2015-10-12·CVSS 3.3
CVE-2015-7758 [LOW] CVE-2015-7758 gummi: Use of predictable filenames in /tmp
CVE-2015-7758 gummi: Use of predictable filenames in /tmp
A vulnerability in gummi was found that uses predictable filenames in /tmp based on basename. When multiple users opens file with the same name, they could write to the same file. Attacker could also create symlinks such that the users could unintentionally overwrite some of their files. Although this case of attack depends on the configuration of /proc/sys/fs/protected_symlinks.
CVE assignment:
http://seclists.org/oss-sec/2015/q4/51
Discussion:
Created gummi tracking bugs for this issue:
Affects: fedora-all [bug 1270817]
---
Upstream bug report: https://github.com/alexandervdm/gummi/issues/20
---
gummi-0.6.6-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in thi
Bugzilla
CVE-2015-7758 gummi: Use of predictable filenames in /tmp [fedora-all]
bugzilla·2015-10-12·CVSS 3.3
CVE-2015-7758 [LOW] CVE-2015-7758 gummi: Use of predictable filenames in /tmp [fedora-all]
CVE-2015-7758 gummi: Use of predictable filenames in /tmp [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions of Fedora.
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178582.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2016-March/178642.htmlhttp://lists.opensuse.org/opensuse-updates/2015-12/msg00117.htmlhttp://lists.opensuse.org/opensuse-updates/2016-02/msg00150.htmlhttp://www.openwall.com/lists/oss-security/2015/10/08/4http://www.openwall.com/lists/oss-security/2015/10/08/5https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=756432http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178582.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2016-March/178642.htmlhttp://lists.opensuse.org/opensuse-updates/2015-12/msg00117.htmlhttp://lists.opensuse.org/opensuse-updates/2016-02/msg00150.htmlhttp://www.openwall.com/lists/oss-security/2015/10/08/4http://www.openwall.com/lists/oss-security/2015/10/08/5https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=756432
2016-01-08
Published