CVE-2018-11693
published 2018-06-04CVE-2018-11693: An issue was discovered in LibSass through 3.5.4. An out-of-bounds read of a memory region was found in the function Sass::Prelexer::skip_over_scopes which…
PriorityP431high8.1CVSS 3.0
AVNACLPRNUIRSUCHINAH
EPSS
1.37%
68.7th percentile
An issue was discovered in LibSass through 3.5.4. An out-of-bounds read of a memory region was found in the function Sass::Prelexer::skip_over_scopes which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory causing a denial of service.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | libsass | < libsass 3.5.4+20180621~c0a6cf3-1 (bookworm) | libsass 3.5.4+20180621~c0a6cf3-1 (bookworm) |
| debian | libsass | < libsass 3.5.5-3 (bookworm) | libsass 3.5.5-3 (bookworm) |
| libsass | libsass | >= 0 < 3.5.5-3 | 3.5.5-3 |
| libsass | libsass | >= 0 < 3.5.4+20180621~c0a6cf3-1 | 3.5.4+20180621~c0a6cf3-1 |
| libsass | libsass | >= 0 < 3.5.5-3 | 3.5.5-3 |
| libsass | libsass | >= 0 < 3.5.4+20180621~c0a6cf3-1 | 3.5.4+20180621~c0a6cf3-1 |
| libsass | libsass | >= 0 < 3.5.5-3 | 3.5.5-3 |
| libsass | libsass | >= 0 < 3.5.4+20180621~c0a6cf3-1 | 3.5.4+20180621~c0a6cf3-1 |
| libsass | libsass | >= 0 < 3.5.5-3 | 3.5.5-3 |
| libsass | libsass | >= 0 < 3.5.4+20180621~c0a6cf3-1 | 3.5.4+20180621~c0a6cf3-1 |
| sass-lang | libsass | <= 3.5.4 | — |
| sass-lang | libsass | — | — |
CVSS provenance
nvdv3.08.1HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
nvdv2.05.8MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:P
osv8.1HIGH
vendor_debian8.1LOW
vendor_redhat8.1HIGH
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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 Sass::Prelexer::skip_over_scopes in prelexer.hpp
vendor_redhat·2019-01-14·CVSS 8.1
CVE-2019-6286 [HIGH] CWE-125 libsass: heap-based buffer over-read in Sass::Prelexer::skip_over_scopes in prelexer.hpp
libsass: heap-based buffer over-read in Sass::Prelexer::skip_over_scopes in prelexer.hpp
In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::skip_over_scopes in prelexer.hpp when called from Sass::Parser::parse_import(), a similar issue to CVE-2018-11693.
Package: libsass (Red Hat Enterprise Linux 8) - Not affected
Debian
CVE-2019-6286: libsass - In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::skip_o...
vendor_debian·2019·CVSS 8.1
CVE-2019-6286 [HIGH] CVE-2019-6286: libsass - In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::skip_o...
In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::skip_over_scopes in prelexer.hpp when called from Sass::Parser::parse_import(), a similar issue to CVE-2018-11693.
Scope: local
bookworm: resolved (fixed in 3.5.5-3)
bullseye: resolved (fixed in 3.5.5-3)
forky: resolved (fixed in 3.5.5-3)
sid: resolved (fixed in 3.5.5-3)
trixie: resolved (fixed in 3.5.5-3)
Debian
CVE-2018-11693: libsass - An issue was discovered in LibSass through 3.5.4. An out-of-bounds read of a mem...
vendor_debian·2018·CVSS 8.1
CVE-2018-11693 [HIGH] CVE-2018-11693: libsass - An issue was discovered in LibSass through 3.5.4. An out-of-bounds read of a mem...
An issue was discovered in LibSass through 3.5.4. An out-of-bounds read of a memory region was found in the function Sass::Prelexer::skip_over_scopes which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory causing a denial of service.
Scope: local
bookworm: resolved (fixed in 3.5.4+20180621~c0a6cf3-1)
bullseye: resolved (fixed in 3.5.4+20180621~c0a6cf3-1)
forky: resolved (fixed in 3.5.4+20180621~c0a6cf3-1)
sid: resolved (fixed in 3.5.4+20180621~c0a6cf3-1)
trixie: resolved (fixed in 3.5.4+20180621~c0a6cf3-1)
GHSA
GHSA-rm2q-7xhq-fcm2: An issue was discovered in LibSass through 3
ghsa_unreviewed·2022-05-14
CVE-2018-11693 [HIGH] CWE-125 GHSA-rm2q-7xhq-fcm2: An issue was discovered in LibSass through 3
An issue was discovered in LibSass through 3.5.4. An out-of-bounds read of a memory region was found in the function Sass::Prelexer::skip_over_scopes which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory causing a denial of service.
GHSA
GHSA-v472-248w-rwx2: In LibSass 3
ghsa_unreviewed·2022-05-14·CVSS 8.1
CVE-2019-6286 [HIGH] CWE-125 GHSA-v472-248w-rwx2: In LibSass 3
In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::skip_over_scopes in prelexer.hpp when called from Sass::Parser::parse_import(), a similar issue to CVE-2018-11693.
OSV
CVE-2019-6286: In LibSass 3
osv·2019-01-14·CVSS 8.1
CVE-2019-6286 [HIGH] CVE-2019-6286: In LibSass 3
In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::skip_over_scopes in prelexer.hpp when called from Sass::Parser::parse_import(), a similar issue to CVE-2018-11693.
OSV
CVE-2018-11693: An issue was discovered in LibSass through 3
osv·2018-06-04·CVSS 8.1
CVE-2018-11693 [HIGH] CVE-2018-11693: An issue was discovered in LibSass through 3
An issue was discovered in LibSass through 3.5.4. An out-of-bounds read of a memory region was found in the function Sass::Prelexer::skip_over_scopes which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory causing a denial of service.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-6286 libsass: heap-based buffer over-read in Sass::Prelexer::skip_over_scopes in prelexer.hpp
bugzilla·2019-01-23·CVSS 8.1
CVE-2019-6286 [HIGH] CVE-2019-6286 libsass: heap-based buffer over-read in Sass::Prelexer::skip_over_scopes in prelexer.hpp
CVE-2019-6286 libsass: heap-based buffer over-read in Sass::Prelexer::skip_over_scopes in prelexer.hpp
In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::skip_over_scopes in prelexer.hpp when called from Sass::Parser::parse_import(), a similar issue to CVE-2018-11693.
References:
https://github.com/sass/libsass/issues/2815
Discussion:
Created libsass tracking bugs for this issue:
Affects: epel-7 [bug 1668926]
Affects: fedora-all [bug 1668925]
Bugzilla
CVE-2018-11693 libsass: Heap buffer over read in function Sass::Prelexer::skip_over_scopes in prelexer.hpp [epel-7]
bugzilla·2018-06-07·CVSS 8.1
CVE-2018-11693 [HIGH] CVE-2018-11693 libsass: Heap buffer over read in function Sass::Prelexer::skip_over_scopes in prelexer.hpp [epel-7]
CVE-2018-11693 libsass: Heap buffer over read in function Sass::Prelexer::skip_over_scopes in prelexer.hpp [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.
Discussion:
Use t
Bugzilla
CVE-2018-11693 libsass: Heap buffer over read in function Sass::Prelexer::skip_over_scopes in prelexer.hpp
bugzilla·2018-06-07·CVSS 8.1
CVE-2018-11693 [HIGH] CVE-2018-11693 libsass: Heap buffer over read in function Sass::Prelexer::skip_over_scopes in prelexer.hpp
CVE-2018-11693 libsass: Heap buffer over read in function Sass::Prelexer::skip_over_scopes in prelexer.hpp
An issue was discovered in LibSaas through 3.5.4. An out-of-bounds read of a memory region was found in the function Sass::Prelexer::skip_over_scopes which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory causing a denial of service.
Upstream issue:
https://github.com/sass/libsass/issues/2661
Discussion:
Created libsass tracking bugs for this issue:
Affects: epel-7 [bug 1588684]
Affects: fedora-all [bug 1588685]
---
Upstream fix:
https://github.com/sass/libsass/commit/b3374e3fd1a0c3658644d2bad24e4a0ff2e0dcea
Bugzilla
CVE-2018-11693 libsass: Heap buffer over read in function Sass::Prelexer::skip_over_scopes in prelexer.hpp [fedora-all]
bugzilla·2018-06-07·CVSS 8.1
CVE-2018-11693 [HIGH] CVE-2018-11693 libsass: Heap buffer over read in function Sass::Prelexer::skip_over_scopes in prelexer.hpp [fedora-all]
CVE-2018-11693 libsass: Heap buffer over read in function Sass::Prelexer::skip_over_scopes in prelexer.hpp [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 message.
NOTE: this
2018-06-04
Published