漏洞信息
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Vulnerability Title
Gstreamer1-plugins-base: gstreamer: null/invalid-pointer dereference in gst_rtsp_message_parse_auth_credentials() when parsing a crafted digest authorization/www-authenticate header
Vulnerability Description
A NULL pointer dereference flaw was found in GStreamer's RTSP support library. The vulnerability occurs while parsing an Authorization or WWW-Authenticate header that uses Digest authentication. Specially crafted whitespace placement around a parameter's terminator can cause an internal length calculation to underflow, leading to a crash of the process parsing the header. On an RTSP server this can be triggered by a remote, unauthenticated attacker sending a single malformed request when the server has authentication enabled; the same flaw can also be triggered against an RTSP client by a malicious or compromised RTSP server. Successful exploitation results in a denial of service (application crash) and has no confirmed impact on confidentiality or integrity.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
空指针解引用
Vulnerability Title
GStreamer gst-rtsp-server 异常处理不当漏洞
Vulnerability Description
GStreamer gst-rtsp-server是GStreamer组织的一个RTSP流媒体服务器库。 GStreamer gst-rtsp-server存在异常处理不当漏洞,该漏洞源于解析使用Digest认证的Authorization或WWW-Authenticate头时,参数终止符周围的特制空白导致内部长度计算下溢并引发空指针解引用,造成解析进程崩溃;远程未认证攻击者可在RTSP服务器启用认证时发送单个恶意请求触发该漏洞,恶意或被入侵的RTSP服务器也可对RTSP客户端触发,成功利用可导致拒绝服务
CVSS Information
N/A
Vulnerability Type
N/A