漏洞信息
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Vulnerability Title
LIBPNG: Chunk smuggling in push-mode APNG parser via unconsumed chunk body
Vulnerability Description
LIBPNG is a reference library for use in applications that process PNG (Portable Network Graphics) raster image files. In version 1.8.0, three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing attacker-controlled bytes inside an ignored ancillary chunk to be reinterpreted as a fresh chunk header on the next call to `png_process_data`. Commit faf06924688b62d7c1654b5ceddedbde66ffadb4 fixes the issue.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Vulnerability Type
解释冲突
Vulnerability Title
libpng 安全漏洞
Vulnerability Description
libpng是The PNG Development Group开源的一个可对PNG图形文件实现创建、读写等操作的PNG参考库。 LIBPNG 1.8.0版本存在安全漏洞,该漏洞源于推模式APNG解析器中帧间块丢弃路径未消耗块体和CRC,可能导致攻击者控制的字节被重新解释为新的块标头。
CVSS Information
N/A
Vulnerability Type
N/A