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Debian LTS: Security Advisory for nbd (DLA-2944-1)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

5 months ago

Modified

Modified

5 months ago

Summary

The remote host is missing an update for the 'nbd' package(s) announced via the DLA-2944-1 advisory.

Insight

Insight

An integer overflow (with a resultant heap-based buffer overflow) was discovered in the nbd Network Block Device server. A value of 0xffffffff in the name length field could have caused a zero-sized buffer to be allocated for the name, resulting in a write to a dangling pointer.

Affected Software

Affected Software

'nbd' package(s) on Debian Linux.

Detection Method

Detection Method

Checks if a vulnerable package version is present on the target host.

Solution

Solution

For Debian 9 'Stretch', this problem has been fixed in version 1:3.15.2-3+deb9u1. We recommend that you upgrade your nbd packages.

Common Vulnerabilities and Exposures (CVE)