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veracodeVeracode Vulnerability DatabaseVERACODE:44552
HistoryDec 01, 2023 - 9:22 a.m.

Side Channel Attack

2023-12-0109:22:24
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
9
side channel attack
libgnutls
ciphertexts
pkcs#1
padding
inconsistent response times
sensitive information

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.3%

libgnutls.so is vulnerable to a Side Channel Attack. The vulnerability exists due to inconsistent constant response times of ciphertexts with correct vs incorrect PKCS#1 paddings, which allows an attacker to infer sensitive information.

References

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.3%