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ubuntuUbuntuUSN-6037-1
HistoryApr 28, 2023 - 12:00 a.m.

Apache Commons Net vulnerability

2023-04-2800:00:00
ubuntu.com
22

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.8 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.004 Low

EPSS

Percentile

71.9%

Releases

  • Ubuntu 22.10
  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM

Packages

  • libcommons-net-java - Apache Commons Net - Java client API for basic Internet protocols

Details

ZeddYu Lu discovered that the FTP client from Apache Commons Net trusted
the host from PASV responses by default. A remote attacker with a
malicious FTP server could redirect the client to another server, which
could possibly result in leaked information about services running on the
private network of the client.

OSVersionArchitecturePackageVersionFilename
Ubuntu22.10noarchlibcommons-net-java< 3.6-1+deb11u1build0.22.10.1UNKNOWN
Ubuntu22.10noarchlibcommons-net-java-doc< 3.6-1+deb11u1build0.22.10.1UNKNOWN
Ubuntu22.04noarchlibcommons-net-java< 3.6-1+deb11u1build0.22.04.1UNKNOWN
Ubuntu22.04noarchlibcommons-net-java-doc< 3.6-1+deb11u1build0.22.04.1UNKNOWN
Ubuntu20.04noarchlibcommons-net-java< 3.6-1+deb11u1build0.20.04.1UNKNOWN
Ubuntu20.04noarchlibcommons-net-java-doc< 3.6-1+deb11u1build0.20.04.1UNKNOWN
Ubuntu18.04noarchlibcommons-net-java< 3.6-1+deb11u1build0.18.04.1UNKNOWN
Ubuntu18.04noarchlibcommons-net-java-doc< 3.6-1+deb11u1build0.18.04.1UNKNOWN
Ubuntu16.04noarchlibcommons-net-java< 3.4-2ubuntu2+esm1UNKNOWN
Ubuntu16.04noarchlibcommons-net-java< 3.4-2ubuntu2UNKNOWN
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6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.8 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.004 Low

EPSS

Percentile

71.9%