dropbear ssh project dropbear ssh vulnerabilities and exploits

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7.5

CVSSv2

The DSS verification code in Dropbear SSH Server prior to 0.43 frees uninitialized variables, which might allow remote malicious users to gain access.

Dropbear Ssh Project Dropbear Ssh

5

CVSSv2

Dropbear SSH Server prior to 2013.59 generates error messages for a failed logon attempt with different time delays depending on whether the user account exists, which allows remote malicious users to discover valid usernames.

Dropbear Ssh Project Dropbear Ssh

1 Github repository

5

CVSSv2

Dropbear 2011.54 up to and including 2018.76 has an inconsistent failure delay that may lead to revealing valid usernames, a different issue than CVE-2018-15599.

Dropbear Ssh Project Dropbear Ssh

7.5

CVSSv2

dbclient in Dropbear SSH client prior to 0.49 does not sufficiently warn the user when it detects a hostkey mismatch, which might allow remote malicious users to conduct man-in-the-middle attacks.

Dropbear Ssh Project Dropbear Ssh

6.8

CVSSv2

scp.c in Dropbear prior to 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685.

Dropbear Ssh Project Dropbear Ssh

1 Github repository

10

CVSSv2

Format string vulnerability in Dropbear SSH prior to 2016.74 allows remote malicious users to execute arbitrary code via format string specifiers in the (1) username or (2) host argument.

Dropbear Ssh Project Dropbear Ssh

6.5

CVSSv2

The dbclient in Dropbear SSH prior to 2016.74 allows remote malicious users to execute arbitrary code via a crafted (1) -m or (2) -c argument.

Dropbear Ssh Project Dropbear Ssh

2.1

CVSSv2

The dbclient and server in Dropbear SSH prior to 2016.74, when compiled with DEBUG_TRACE, allows local users to read process memory via the -v argument, related to a failed remote ident.

Dropbear Ssh Project Dropbear Ssh

5

CVSSv2

Matt Johnston Dropbear SSH server 0.47 and previous versions, as used in embedded Linux devices and on general-purpose operating systems, allows remote malicious users to cause a denial of service (connection slot exhaustion) via a large number of connection attempts that exceeds...

Dropbear Ssh Project Dropbear Ssh

1 EDB exploit

5

CVSSv2

It was found that dropbear before version 2013.59 with GSSAPI leaks whether given username is valid or invalid. When an invalid username is given, the GSSAPI authentication failure was incorrectly counted towards the maximum allowed number of password attempts.

Dropbear Ssh Project Dropbear Ssh

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