漏洞信息
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Vulnerability Title
Belledonne Communications bcg729 1.1.2 Out-of-Bounds Read via decodeSIDframe()
Vulnerability Description
Belledonne Communications bcg729 through 1.1.2 contains an out-of-bounds read vulnerability in the decodeSIDframe() function in src/cng.c that allows unauthenticated network-adjacent attackers to trigger a heap read beyond buffer boundaries by sending a zero-length comfort-noise RTP payload. A zero-length payload causes an integer underflow in the uint8_t filter order calculation, which wraps to 255 and is clamped to 10, causing the function to unconditionally read 11 bytes from a zero-byte buffer, resulting in media process termination or silent consumption of adjacent heap memory as reflection coefficients.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
跨界内存读
Vulnerability Title
Belledonne Communications Bcg729 缓冲区错误漏洞
Vulnerability Description
Belledonne Communications Bcg729是Belledonne Communications组织的一款语音编码解码组件。 Belledonne Communications Bcg729 1.1.2及之前版本存在缓冲区错误漏洞,该漏洞源于decodeSIDframe()函数处理零长度舒适噪声RTP载荷时存在整数下溢,导致越界堆读取,可能造成媒体进程终止或静默消耗相邻堆内存。
CVSS Information
N/A
Vulnerability Type
N/A