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Ubuntu.comUB:CVE-2020-1916

HistoryMar 10, 2021 - 12:00 a.m.

CVE-2020-1916

2021-03-1000:00:00

ubuntu.com

ldap

integer overflow

out-of-bounds

hhvm

unix

security issue

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

64.7%

JSON

An incorrect size calculation in ldap_escape may lead to an integer
overflow when overly long input is passed in, resulting in an out-of-bounds
write. This issue affects HHVM prior to 4.56.2, all versions between 4.57.0
and 4.78.0, 4.79.0, 4.80.0, 4.81.0, 4.82.0, 4.83.0.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchhhvm< anyUNKNOWN
ubuntu16.04noarchhhvm< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	hhvm	< any	UNKNOWN
ubuntu	16.04	noarch	hhvm	< any	UNKNOWN

References

github.com/facebook/hhvm/commit/abe0b29e4d3a610f9bc920b8be4ad8403364c2d4

hhvm.com/blog/2020/11/12/security-update.html

launchpad.net/bugs/cve/CVE-2020-1916

nvd.nist.gov/vuln/detail/CVE-2020-1916

security-tracker.debian.org/tracker/CVE-2020-1916

www.cve.org/CVERecord?id=CVE-2020-1916

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

64.7%

JSON

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