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git://git.yoctoproject.org/poky
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c18dff0871
three security fixes. CVE-2015-6563 (Low) openssh: Privilege separation weakness related to PAM support CVE-2015-6564 (medium) openssh: Use-after-free bug related to PAM support CVE-2015-6565 (High) openssh: Incorrectly set TTYs to be world-writable (From OE-Core rev: 259df232b513367a0a18b17e3e377260a770288f) Signed-off-by: Armin Kuster <akuster@mvista.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
37 lines
1.2 KiB
Diff
37 lines
1.2 KiB
Diff
CVE-2015-6563
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Don't resend username to PAM; it already has it.
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Pointed out by Moritz Jodeit; ok dtucker@
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Upstream-Status: Backport
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https://github.com/openssh/openssh-portable/commit/d4697fe9a28dab7255c60433e4dd23cf7fce8a8b
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Signed-off-by: Armin Kuster <akuster@mvista.com>
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Index: openssh-6.7p1/monitor.c
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===================================================================
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--- openssh-6.7p1.orig/monitor.c
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+++ openssh-6.7p1/monitor.c
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@@ -1046,9 +1046,7 @@ extern KbdintDevice sshpam_device;
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int
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mm_answer_pam_init_ctx(int sock, Buffer *m)
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{
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-
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debug3("%s", __func__);
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- authctxt->user = buffer_get_string(m, NULL);
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sshpam_ctxt = (sshpam_device.init_ctx)(authctxt);
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sshpam_authok = NULL;
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buffer_clear(m);
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Index: openssh-6.7p1/monitor_wrap.c
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===================================================================
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--- openssh-6.7p1.orig/monitor_wrap.c
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+++ openssh-6.7p1/monitor_wrap.c
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@@ -826,7 +826,6 @@ mm_sshpam_init_ctx(Authctxt *authctxt)
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debug3("%s", __func__);
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buffer_init(&m);
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- buffer_put_cstring(&m, authctxt->user);
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mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PAM_INIT_CTX, &m);
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debug3("%s: waiting for MONITOR_ANS_PAM_INIT_CTX", __func__);
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mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PAM_INIT_CTX, &m);
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