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Debian: Security Advisory for libreswan (DSA-4684-1)

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

2 years ago

Modified

Modified

2 years ago

Share

Summary

The remote host is missing an update for the 'libreswan' package(s) announced via the DSA-4684-1 advisory.

Insight

Insight

Stephan Zeisberg discovered that the libreswan IPsec implementation could be forced into a crash/restart via a malformed IKEv1 Informational Exchange packet, resulting in denial of service.

Affected Software

Affected Software

'libreswan' package(s) on Debian Linux.

Detection Method

Detection Method

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

Solution

Solution

For the stable distribution (buster), this problem has been fixed in version 3.27-6+deb10u1. We recommend that you upgrade your libreswan packages.

Common Vulnerabilities and Exposures (CVE)

References

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