CVE-2018-19839
published 2018-12-04CVE-2018-19839: In LibSass prior to 3.5.5, the function handle_error in sass_context.cpp allows attackers to cause a denial-of-service resulting from a heap-based buffer…
PriorityP425medium6.5CVSS 3.0
AVNACLPRNUIRSUCNINAH
EPSS
2.16%
80.0th percentile
In LibSass prior to 3.5.5, the function handle_error in sass_context.cpp allows attackers to cause a denial-of-service resulting from a heap-based buffer over-read via a crafted sass file.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | libsass | < libsass 3.5.5-4 (bookworm) | libsass 3.5.5-4 (bookworm) |
| libsass | libsass | >= 0 < 3.5.5-4 | 3.5.5-4 |
| libsass | libsass | >= 0 < 3.5.5-4 | 3.5.5-4 |
| libsass | libsass | >= 0 < 3.5.5-4 | 3.5.5-4 |
| libsass | libsass | >= 0 < 3.5.5-4 | 3.5.5-4 |
| sass-lang | libsass | < 3.5.5 | 3.5.5 |
CVSS provenance
nvdv3.06.5MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
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Ubuntu
LibSass vulnerabilities
vendor_ubuntu·2021-03-15
CVE-2018-19827 LibSass vulnerabilities
Title: LibSass vulnerabilities
Summary: Several security issues were fixed in LibSass.
It was discovered that LibSass incorrectly handled certain specially crafted
sass file. An attacker could possibly use this issue to cause a denial of
service or other unspecified impact.
Instructions: In general, a standard system update will make all the necessary changes.
Red Hat
libsass: Heap-based buffer over-read in the handle_error function resulting in a denial of service
vendor_redhat·2018-06-02·CVSS 6.5
CVE-2018-19839 [MEDIUM] CWE-122 libsass: Heap-based buffer over-read in the handle_error function resulting in a denial of service
libsass: Heap-based buffer over-read in the handle_error function resulting in a denial of service
In LibSass prior to 3.5.5, the function handle_error in sass_context.cpp allows attackers to cause a denial-of-service resulting from a heap-based buffer over-read via a crafted sass file.
Package: libsass (Red Hat Enterprise Linux 8) - Not affected
Debian
CVE-2018-19839: libsass - In LibSass prior to 3.5.5, the function handle_error in sass_context.cpp allows ...
vendor_debian·2018·CVSS 6.5
CVE-2018-19839 [MEDIUM] CVE-2018-19839: libsass - In LibSass prior to 3.5.5, the function handle_error in sass_context.cpp allows ...
In LibSass prior to 3.5.5, the function handle_error in sass_context.cpp allows attackers to cause a denial-of-service resulting from a heap-based buffer over-read via a crafted sass file.
Scope: local
bookworm: resolved (fixed in 3.5.5-4)
bullseye: resolved (fixed in 3.5.5-4)
forky: resolved (fixed in 3.5.5-4)
sid: resolved (fixed in 3.5.5-4)
trixie: resolved (fixed in 3.5.5-4)
GHSA
GHSA-pfp7-r6qm-94j7: In LibSass prior to 3
ghsa_unreviewed·2022-05-14
CVE-2018-19839 [MEDIUM] CWE-125 GHSA-pfp7-r6qm-94j7: In LibSass prior to 3
In LibSass prior to 3.5.5, the function handle_error in sass_context.cpp allows attackers to cause a denial-of-service resulting from a heap-based buffer over-read via a crafted sass file.
OSV
CVE-2018-19839: In LibSass prior to 3
osv·2018-12-04·CVSS 6.5
CVE-2018-19839 [MEDIUM] CVE-2018-19839: In LibSass prior to 3
In LibSass prior to 3.5.5, the function handle_error in sass_context.cpp allows attackers to cause a denial-of-service resulting from a heap-based buffer over-read via a crafted sass file.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-19797 CVE-2018-19826 CVE-2018-19827 CVE-2018-19837 CVE-2018-19838 CVE-2018-19839 CVE-2018-20190 libsass: various flaws [epel-7]
bugzilla·2019-01-31·CVSS 6.5
CVE-2018-19797 [MEDIUM] CVE-2018-19797 CVE-2018-19826 CVE-2018-19827 CVE-2018-19837 CVE-2018-19838 CVE-2018-19839 CVE-2018-20190 libsass: various flaws [epel-7]
CVE-2018-19797 CVE-2018-19826 CVE-2018-19827 CVE-2018-19837 CVE-2018-19838 CVE-2018-19839 CVE-2018-20190 libsass: various flaws [epel-7]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-7.
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
Bugzilla
CVE-2018-19797 CVE-2018-19826 CVE-2018-19827 CVE-2018-19837 CVE-2018-19838 CVE-2018-19839 CVE-2018-20190 libsass: various flaws [fedora-all]
bugzilla·2019-01-31·CVSS 6.5
CVE-2018-19797 [MEDIUM] CVE-2018-19797 CVE-2018-19826 CVE-2018-19827 CVE-2018-19837 CVE-2018-19838 CVE-2018-19839 CVE-2018-20190 libsass: various flaws [fedora-all]
CVE-2018-19797 CVE-2018-19826 CVE-2018-19827 CVE-2018-19837 CVE-2018-19838 CVE-2018-19839 CVE-2018-20190 libsass: various flaws [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-all.
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
Bugzilla
CVE-2018-19839 libsass: Heap-based buffer over-read in the handle_error function resulting in a denial of service
bugzilla·2019-01-31·CVSS 6.5
CVE-2018-19839 [MEDIUM] CVE-2018-19839 libsass: Heap-based buffer over-read in the handle_error function resulting in a denial of service
CVE-2018-19839 libsass: Heap-based buffer over-read in the handle_error function resulting in a denial of service
In LibSass prior to 3.5.5, the function handle_error in sass_context.cpp allows attackers to cause a denial-of-service resulting from a heap-based buffer over-read via a crafted sass file.
Upstream issue:
https://github.com/sass/libsass/issues/2657
Upstream patch:
https://github.com/sass/libsass/pull/2767/commits/a2dff1b59ea8c8ec10680f9e8e5593e4b38554a1
Upstream pull request:
https://github.com/sass/libsass/pull/2767
Discussion:
Created libsass tracking bugs for this issue:
Affects: epel-7 [bug 1671396]
Affects: fedora-all [bug 1671395]
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.htmlhttps://github.com/sass/libsass/issues/2657https://github.com/sass/libsass/pull/2767http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.htmlhttps://github.com/sass/libsass/issues/2657https://github.com/sass/libsass/pull/2767
2018-12-04
Published