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Ubuntu.comUB:CVE-2019-18797

HistoryNov 06, 2019 - 12:00 a.m.

CVE-2019-18797

2019-11-0600:00:00

ubuntu.com

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

39.7%

JSON

LibSass 3.6.1 has uncontrolled recursion in
Sass::Eval::operator()(Sass::Binary_Expression*) in eval.cpp.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibsass< anyUNKNOWN
ubuntu20.04noarchlibsass< anyUNKNOWN
ubuntu22.04noarchlibsass< anyUNKNOWN
ubuntu23.10noarchlibsass< anyUNKNOWN
ubuntu16.04noarchlibsass< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	libsass	< any	UNKNOWN
ubuntu	20.04	noarch	libsass	< any	UNKNOWN
ubuntu	22.04	noarch	libsass	< any	UNKNOWN
ubuntu	23.10	noarch	libsass	< any	UNKNOWN
ubuntu	16.04	noarch	libsass	< any	UNKNOWN

References

github.com/sass/libsass/issues/3000

launchpad.net/bugs/cve/CVE-2019-18797

nvd.nist.gov/vuln/detail/CVE-2019-18797

security-tracker.debian.org/tracker/CVE-2019-18797

www.cve.org/CVERecord?id=CVE-2019-18797

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

39.7%

JSON

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