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cve[email protected]CVE-2016-0772
HistorySep 02, 2016 - 2:59 p.m.

CVE-2016-0772

2016-09-0214:59:00
CWE-693
[email protected]
web.nvd.nist.gov
160
cpython
python
smtplib library
cve-2016-0772
starttls
tls protections
man-in-the-middle
network security
nvd

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

6.5 Medium

AI Score

Confidence

High

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.016 Low

EPSS

Percentile

87.4%

JSON

The smtplib library in CPython (aka Python) before 2.7.12, 3.x before 3.4.5, and 3.5.x before 3.5.2 does not return an error when StartTLS fails, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a “StartTLS stripping attack.”

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6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

6.5 Medium

AI Score

Confidence

High

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.016 Low

EPSS

Percentile

87.4%

JSON
Related for CVE-2016-0772
hackerone2nessus36osv3zdt1exploitpack1fedora11veracode1openvas36debian3f51debiancve1freebsd1ubuntucve1redhatcve1prion1exploitdb1gentoo1kaspersky1mageia1redhat5ibm6centos1oraclelinux3amazon1cloudfoundry1ubuntu1suse1