Ubuntu Security Notice 646-1 - It was discovered that rdesktop did not properly validate the length of packet headers when processing RDP requests. If a user were tricked into connecting to a malicious server, an attacker could cause a denial of service or possible execute arbitrary code with the privileges of the user. Multiple buffer overflows were discovered in rdesktop when processing RDP redirect requests. If a user were tricked into connecting to a malicious server, an attacker could cause a denial of service or possible execute arbitrary code with the privileges of the user. It was discovered that rdesktop performed a signed integer comparison when reallocating dynamic buffers which could result in a heap-based overflow. If a user were tricked into connecting to a malicious server, an attacker could cause a denial of service or possible execute arbitrary code with the privileges of the user.
1a39857e464c47ce103fd843802e8f3ac9a25c778331cb477c908a2d3d530407Gentoo Linux Security Advisory GLSA 200806-04 - Multiple vulnerabilities in rdesktop may lead to the execution of arbitrary code or a Denial of Service. Versions less than 1.6.0 are affected.
93b80a2b016e482abf974d6cfebc0ba4bf80ff0a858941c7b2680fbb40da2f5cMandriva Linux Security Advisory - Several vulnerabilities were discovered in rdesktop, a Remote Desktop Protocol client. An integer underflow vulnerability allowed attackers to cause a denial of service (crash) and possibly execute arbitrary code with the privileges of the logged-in user. A buffer overflow vulnerability allowed attackers to execute arbitrary code with the privileges of the logged-in user. An integer signedness vulnerability allowed attackers to execute arbitrary code with the privileges of the logged-in user. In order for these vulnerabilities to be exploited, an attacker must persuade a targeted user to connect to a malicious RDP server.
db35b2491ffc6bcc8072e207eafd14eb6687885e6bd7c7e75eee998a45940f2frdesktop version 1.5.0 BSS overflow vulnerability proof of concept exploit that makes use of process_redirect_pdu().
39299b146133da963d2f8fb023cf0809ac39058f3595bdef139045ae1aefc64fDebian Security Advisory 1573-1 - Several remote vulnerabilities have been discovered in rdesktop, a Remote Desktop Protocol client. Remote exploitation of an integer underflow vulnerability allows attackers to execute arbitrary code with the privileges of the logged-in user. Remote exploitation of a BSS overflow vulnerability allows attackers to execute arbitrary code with the privileges of the logged-in user. Remote exploitation of an integer signedness vulnerability allows attackers to execute arbitrary code with the privileges of the logged-in user.
f2e72e2980b2cc72e61d9fc682219452efef714383ca520593456a997cf92fddiDefense Security Advisory 05.07.08 - Remote exploitation of a BSS overflow vulnerability in rdesktop, as included in various vendors' operating system distributions, allows attackers to execute arbitrary code with the privileges of the logged-in user. The vulnerability exists within the code responsible for reading in an RDP redirect request. This request is used to redirect an RDP connection from one server to another. When parsing the redirect request, the rdesktop client reads several 32-bit integers from the request packet. These integers are then used to control the number of bytes read into statically allocated buffers. This results in several buffers located in the BSS section being overflowed, which can lead to the execution of arbitrary code. iDefense confirmed the existence of this vulnerability in rdesktop version 1.5.0. Previous versions may also be affected.
855716896a32d6400b57357a313e7d5671bf6a07c1cef096372236c340ce9ea8
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