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
2.6 Low
CVSS2
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/I:N/A:N
0.001 Low
EPSS
Percentile
22.8%
An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.compare_digest.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | pypy3 | < 7.3.5+dfsg-2 | pypy3_7.3.5+dfsg-2_all.deb |
Debian | 11 | all | pypy3 | < 7.3.5+dfsg-2 | pypy3_7.3.5+dfsg-2_all.deb |
Debian | 10 | all | pypy3 | <= 7.0.0+dfsg-3 | pypy3_7.0.0+dfsg-3_all.deb |
Debian | 999 | all | pypy3 | < 7.3.5+dfsg-2 | pypy3_7.3.5+dfsg-2_all.deb |
Debian | 13 | all | pypy3 | < 7.3.5+dfsg-2 | pypy3_7.3.5+dfsg-2_all.deb |
Debian | 11 | all | python2.7 | < 2.7.18-8+deb11u1 | python2.7_2.7.18-8+deb11u1_all.deb |
Debian | 10 | all | python2.7 | < 2.7.16-2+deb10u3 | python2.7_2.7.16-2+deb10u3_all.deb |
Debian | 10 | all | python3.7 | < 3.7.3-2+deb10u6 | python3.7_3.7.3-2+deb10u6_all.deb |
Debian | 11 | all | python3.9 | < 3.9.1~rc1-1 | python3.9_3.9.1~rc1-1_all.deb |
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
2.6 Low
CVSS2
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/I:N/A:N
0.001 Low
EPSS
Percentile
22.8%