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Debian LTS: Security Advisory for libxstream-java (DLA-2507-1)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

6.4

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

1 year ago

Modified

Modified

1 year ago

Summary

The remote host is missing an update for the 'libxstream-java' package(s) announced via the DLA-2507-1 advisory.

Insight

Insight

Several security vulnerabilities were discovered in XStream, a Java library to serialize objects to XML and back again. CVE-2020-26258 XStream is vulnerable to a Server-Side Forgery Request which can be activated when unmarshalling. The vulnerability may allow a remote attacker to request data from internal resources that are not publicly available only by manipulating the processed input stream. CVE-2020-26259 Xstream is vulnerable to an Arbitrary File Deletion on the local host when unmarshalling. The vulnerability may allow a remote attacker to delete arbitrary known files on the host as long as the executing process has sufficient rights only by manipulating the processed input stream.

Affected Software

Affected Software

'libxstream-java' 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, these problems have been fixed in version 1.4.11.1-1+deb9u1. We recommend that you upgrade your libxstream-java packages.

Common Vulnerabilities and Exposures (CVE)