From: "yanjun.zhu" <yanjun....@windriver.com> Reference:https://code.google.com/p/libproxy/source/detail?r=853
Stack-based buffer overflow in the url::get_pac function in url.cpp in libproxy 0.4.x before 0.4.9 allows remote servers to have an unspecified impact via a large proxy.pac file. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-4504 Signed-off-by: yanjun.zhu <yanjun....@windriver.com> --- .../libproxy/libproxy/libproxy-0.4.7-CVE-2012-4504.patch | 15 +++++++++++++++ meta/recipes-support/libproxy/libproxy_0.4.7.bb | 1 + 2 files changed, 16 insertions(+) create mode 100644 meta/recipes-support/libproxy/libproxy/libproxy-0.4.7-CVE-2012-4504.patch diff --git a/meta/recipes-support/libproxy/libproxy/libproxy-0.4.7-CVE-2012-4504.patch b/meta/recipes-support/libproxy/libproxy/libproxy-0.4.7-CVE-2012-4504.patch new file mode 100644 index 0000000..323a571 --- /dev/null +++ b/meta/recipes-support/libproxy/libproxy/libproxy-0.4.7-CVE-2012-4504.patch @@ -0,0 +1,15 @@ +diff -urpN a/libproxy/url.cpp b/libproxy/url.cpp +--- a/libproxy/url.cpp 2012-11-26 10:08:47.000000000 +0800 ++++ b/libproxy/url.cpp 2012-11-26 10:05:54.000000000 +0800 +@@ -472,9 +472,10 @@ char* url::get_pac() { + // Add this chunk to our content length, + // ensuring that we aren't over our max size + content_length += chunk_length; +- if (content_length >= PAC_MAX_SIZE) break; + } + ++ if (content_length >= PAC_MAX_SIZE) break; ++ + while (recvd != content_length) { + int r = recv(sock, buffer + recvd, content_length - recvd, 0); + if (r < 0) break; diff --git a/meta/recipes-support/libproxy/libproxy_0.4.7.bb b/meta/recipes-support/libproxy/libproxy_0.4.7.bb index e3721a8..fc32f57 100644 --- a/meta/recipes-support/libproxy/libproxy_0.4.7.bb +++ b/meta/recipes-support/libproxy/libproxy_0.4.7.bb @@ -13,6 +13,7 @@ PR = "r4" SRC_URI = "http://libproxy.googlecode.com/files/libproxy-${PV}.tar.gz \ file://g++-namepace.patch \ file://libproxy_fix_for_gcc4.7.patch \ + file://libproxy-0.4.7-CVE-2012-4504.patch \ " SRC_URI[md5sum] = "509e03a488a61cd62bfbaf3ab6a2a7a5" -- 1.7.11 _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core
