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Debian LTS: Security Advisory for tcpdump (DLA-2444-1)

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:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

The remote host is missing an update for the 'tcpdump' package(s) announced via the DLA-2444-1 advisory.

Insight

Insight

The ppp de-capsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory. The buffer should be big enough to hold the captured data, but it doesn't need to be big enough to hold the entire on-the-network packet, if we haven't captured all of it.

Affected Software

Affected Software

'tcpdump' 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 4.9.3-1~deb9u2. We recommend that you upgrade your tcpdump packages.

Common Vulnerabilities and Exposures (CVE)