Ubuntu.comUB:CVE-2017-15042CVE-2017-15042
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
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:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
68.9%
An unintended cleartext issue exists in Go before 1.8.4 and 1.9.x before
1.9.1. RFC 4954 requires that, during SMTP, the PLAIN auth scheme must only
be used on network connections secured with TLS. The original
implementation of smtp.PlainAuth in Go 1.0 enforced this requirement, and
it was documented to do so. In 2013, upstream issue #5184, this was changed
so that the server may decide whether PLAIN is acceptable. The result is
that if you set up a man-in-the-middle SMTP server that doesn’t advertise
STARTTLS and does advertise that PLAIN auth is OK, the smtp.PlainAuth
implementation sends the username and password.
Notes
| Author | Note |
|---|---|
| mdeslaur | Packages built using golang need to be rebuilt once the vulnerability has been fixed. This CVE entry does not list packages that need rebuilding outside of the main repository or the Ubuntu variants with PPA overlays. |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 16.04 | noarch | golang-1.6 | < any | UNKNOWN |
| ubuntu | 18.04 | noarch | golang-1.8 | < any | UNKNOWN |
References
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
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:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
68.9%