CVE-2018-19797
published 2018-12-03CVE-2018-19797: In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may…
PriorityP425medium6.5CVSS 3.0
AVNACLPRNUIRSUCNINAH
EPSS
1.83%
76.3th percentile
In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application crash) via a crafted sass input file.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | libsass | < libsass 3.6.3-1 (bookworm) | libsass 3.6.3-1 (bookworm) |
| libsass | libsass | >= 0 < 3.6.3-1 | 3.6.3-1 |
| libsass | libsass | >= 0 < 3.6.3-1 | 3.6.3-1 |
| libsass | libsass | >= 0 < 3.6.3-1 | 3.6.3-1 |
| libsass | libsass | >= 0 < 3.6.3-1 | 3.6.3-1 |
| msrc | cbl2_reaper_3.1.1-19_on_cbl_mariner_2.0 | — | — |
| sass-lang | libsass | — | — |
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_msrc6.5MEDIUM
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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.
Microsoft
In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application c
vendor_msrc·2018-12-11·CVSS 6.5
CVE-2018-19797 [MEDIUM] CWE-476 In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application c
In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application crash) via a crafted sass input file.
Mariner: Mariner
mitre: mitre
Customer Action Required: Yes
Remediation: CBL-Mariner Releases
Reference: https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade
Debian
CVE-2018-19797: libsass - In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List...
vendor_debian·2018·CVSS 6.5
CVE-2018-19797 [MEDIUM] CVE-2018-19797: libsass - In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List...
In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application crash) via a crafted sass input file.
Scope: local
bookworm: resolved (fixed in 3.6.3-1)
bullseye: resolved (fixed in 3.6.3-1)
forky: resolved (fixed in 3.6.3-1)
sid: resolved (fixed in 3.6.3-1)
trixie: resolved (fixed in 3.6.3-1)
GHSA
GHSA-c73w-7v4m-x2gx: In LibSass 3
ghsa_unreviewed·2022-05-14
CVE-2018-19797 [MEDIUM] CWE-476 GHSA-c73w-7v4m-x2gx: In LibSass 3
In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application crash) via a crafted sass input file.
OSV
CVE-2018-19797: In LibSass 3
osv·2018-12-03·CVSS 6.5
CVE-2018-19797 [MEDIUM] CVE-2018-19797: In LibSass 3
In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application crash) via a crafted sass input 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-2018-19797 libsass: NULL pointer dereference in Sass::Selector_List::populate_extends function resulting in a denial of service
bugzilla·2019-01-31·CVSS 6.5
CVE-2018-19797 [MEDIUM] CVE-2018-19797 libsass: NULL pointer dereference in Sass::Selector_List::populate_extends function resulting in a denial of service
CVE-2018-19797 libsass: NULL pointer dereference in Sass::Selector_List::populate_extends function resulting in a denial of service
In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application crash) via a crafted sass input file.
Upstream issue:
https://github.com/sass/libsass/issues/2779
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/2779http://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/2779
2018-12-03
Published