CVE-2023-5388

2023-10-2300:00:00

ubuntu.com

nss

rsa

side-channel

attack

cve-2023-5388

firefox

thunderbird

vulnerability

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.4 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

18.2%

JSON

NSS was susceptible to a timing side-channel attack when performing RSA
decryption. This attack could potentially allow an attacker to recover the
private data. This vulnerability affects Firefox < 124, Firefox ESR <
115.9, and Thunderbird < 115.9.

Bugs

<https://bugzilla.mozilla.org/show_bug.cgi?id=1780432 (private)>

Notes

Author	Note
mdeslaur	incomplete fix for CVE-2023-4421

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchfirefox< 124.0+build1-0ubuntu0.20.04.1UNKNOWN
ubuntu22.04noarchmozjs102< anyUNKNOWN
ubuntu23.10noarchmozjs102< anyUNKNOWN
ubuntu24.04noarchmozjs102< anyUNKNOWN
ubuntu18.04noarchmozjs38< anyUNKNOWN
ubuntu18.04noarchmozjs52< anyUNKNOWN
ubuntu20.04noarchmozjs52< anyUNKNOWN
ubuntu20.04noarchmozjs68< anyUNKNOWN
ubuntu22.04noarchmozjs78< anyUNKNOWN
ubuntu22.04noarchmozjs91< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	firefox	< 124.0+build1-0ubuntu0.20.04.1	UNKNOWN
ubuntu	22.04	noarch	mozjs102	< any	UNKNOWN
ubuntu	23.10	noarch	mozjs102	< any	UNKNOWN
ubuntu	24.04	noarch	mozjs102	< any	UNKNOWN
ubuntu	18.04	noarch	mozjs38	< any	UNKNOWN
ubuntu	18.04	noarch	mozjs52	< any	UNKNOWN
ubuntu	20.04	noarch	mozjs52	< any	UNKNOWN
ubuntu	20.04	noarch	mozjs68	< any	UNKNOWN
ubuntu	22.04	noarch	mozjs78	< any	UNKNOWN
ubuntu	22.04	noarch	mozjs91	< any	UNKNOWN