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033f5a5fa5
Race condition in the ssl3_read_bytes function in s3_pkt.c in OpenSSL through 1.0.1g, when SSL_MODE_RELEASE_BUFFERS is enabled, allows remote attackers to inject data across sessions or cause a denial of service (use-after-free and parsing error) via an SSL connection in a multithreaded environment. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-5298 (From OE-Core master rev: 751f81ed8dc488c500837aeb3eb41ebf3237e10b) (From OE-Core rev: bf2d5380808bb3e0ad470e7853e3ae20617bbfd6) Signed-off-by: Yue Tao <Yue.Tao@windriver.com> Signed-off-by: Roy Li <rongqing.li@windriver.com> Signed-off-by: Saul Wold <sgw@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
25 lines
758 B
Diff
25 lines
758 B
Diff
openssl fix for CVE-2010-5298
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Upstream-Status: Backport
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Race condition in the ssl3_read_bytes function in s3_pkt.c in OpenSSL
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through 1.0.1g, when SSL_MODE_RELEASE_BUFFERS is enabled, allows remote
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attackers to inject data across sessions or cause a denial of service
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(use-after-free and parsing error) via an SSL connection in a
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multithreaded environment.
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http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-5298
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Signed-off-by: Yue Tao <Yue.Tao@windriver.com>
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--- a/ssl/s3_pkt.c
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+++ b/ssl/s3_pkt.c
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@@ -1013,7 +1013,7 @@ start:
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{
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s->rstate=SSL_ST_READ_HEADER;
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rr->off=0;
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- if (s->mode & SSL_MODE_RELEASE_BUFFERS)
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+ if (s->mode & SSL_MODE_RELEASE_BUFFERS && s->s3->rbuf.left == 0)
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ssl3_release_read_buffer(s);
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}
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}
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