Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Stack-based buffer overflow in the ps_gettext function in ps.c for GNU gv 3.6.2, and possibly earlier versions, allows user-assisted attackers to execute arbitrary code via a PostScript (PS) file with certain headers that contain long comments, as demonstrated using the (1) DocumentMedia, (2) DocumentPaperSizes, and possibly (3) PageMedia and (4) PaperSize headers. NOTE: this issue can be exploited through other products that use gv such as evince.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
GNU GV浏览器ps_gettext()函数栈溢出漏洞
Vulnerability Description
gv是X窗口系统下的PostScript和PDF文件浏览器。 gv在处理PS文件中畸形的头时存在缓冲区溢出漏洞，远程攻击者可能利用此漏洞在用户机器上执行任意指令。 gv浏览器的ps.c文件中的ps_gettext()函数存在栈溢出漏洞，问题在于将PS文件的一些特定头(如%%DocumentMedia:)中的超长标注无条件的拷贝到了text(栈上257字节长的缓冲区)，导致远程攻击者可以通过诱骗用户打开恶意的文件导致执行任意代码。
CVSS Information
N/A
Vulnerability Type
N/A