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    <title>Most recent entries from all</title>
    <link>https://cve.radiocsirt.org</link>
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      <title>CVE-2023-28116 — Buffer overflow in L2CAP due to misconfigured MTU</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2023-28116</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; contiki-ng&lt;/p&gt;
&lt;p&gt;Contiki-NG is an open-source, cross-platform operating system for internet of things (IoT) devices. In versions 4.8 and prior, an out-of-bounds write can occur in the BLE L2CAP module of the Contiki-NG operating system.  The network stack of Contiki-NG uses a global buffer (packetbuf) for processing of packets, with the size of PACKETBUF_SIZE. In particular, when using the BLE L2CAP module with the default configuration, the PACKETBUF_SIZE value becomes larger then the actual size of the packetbuf.  When large packets are processed by the L2CAP module, a buffer overflow can therefore occur when copying the packet data to the packetbuf. The vulnerability has been patched in the &amp;#34;develop&amp;#34; branch of Contiki-NG, and will be included in release 4.9. The problem can be worked around by applying the patch manually.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; contiki-ng&lt;/p&gt;
&lt;p&gt;Contiki-NG is an open-source, cross-platform operating system for internet of things (IoT) devices. In versions 4.8 and prior, an out-of-bounds write can occur in the BLE L2CAP module of the Contiki-NG operating system.  The network stack of Contiki-NG uses a global buffer (packetbuf) for processing of packets, with the size of PACKETBUF_SIZE. In particular, when using the BLE L2CAP module with the default configuration, the PACKETBUF_SIZE value becomes larger then the actual size of the packetbuf.  When large packets are processed by the L2CAP module, a buffer overflow can therefore occur when copying the packet data to the packetbuf. The vulnerability has been patched in the &amp;#34;develop&amp;#34; branch of Contiki-NG, and will be included in release 4.9. The problem can be worked around by applying the patch manually.&lt;/p&gt;</content:encoded>
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