26 lines
790 B
Diff
26 lines
790 B
Diff
Fix CVE-2014-8118 (integer overflow allowing arbitrary remote code
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execution via crafted CPIO header).
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8118
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Source:
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https://bugzilla.redhat.com/attachment.cgi?id=962159&action=diff
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Adopted by Debian:
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http://anonscm.debian.org/cgit/collab-maint/rpm.git/plain/debian/patches/CVE-2014-8118.patch
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diff --git a/lib/cpio.c b/lib/cpio.c
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index 253ff0f..600633a 100644
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--- a/lib/cpio.c
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+++ b/lib/cpio.c
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@@ -399,6 +399,9 @@ int rpmcpioHeaderRead(rpmcpio_t cpio, char ** path, int * fx)
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GET_NUM_FIELD(hdr.filesize, fsize);
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GET_NUM_FIELD(hdr.namesize, nameSize);
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+ if (nameSize <= 0 || nameSize > 4096) {
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+ return RPMERR_BAD_HEADER;
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+ }
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char name[nameSize + 1];
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read = Fread(name, nameSize, 1, cpio->fd);
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