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Bug#882621: marked as done (stretch-pu: package python2.7/2.7.13-2+deb9u2)

Your message dated Sat, 09 Dec 2017 10:46:36 +0000
with message-id <1512816396.1994.30.camel@adam-barratt.org.uk>
and subject line Closing bugs for updates included in stretch point release
has caused the Debian Bug report #882621,
regarding stretch-pu: package python2.7/2.7.13-2+deb9u2
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
882621: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=882621
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: release.debian.org
Severity: normal
Tags: stretch
User: release.debian.org@packages.debian.org
Usertags: pu

Hi,
I'd like to add a fix for a minor security issue in Python 2.7 to the
as a followup update to what's already in spu. debdiff is below.

This is fixed in unstable in 2.7.13-4.

Cheers,
        Moritz

diff -u python2.7-2.7.13/debian/changelog python2.7-2.7.13/debian/changelog
--- python2.7-2.7.13/debian/changelog
+++ python2.7-2.7.13/debian/changelog
@@ -1,3 +1,10 @@
+python2.7 (2.7.13-2+deb9u2) stretch; urgency=medium
+
+  * Backport c3c9db89273fabc62ea1b48389d9a3000c1c03ae to address
+    CVE-2017-1000158 / https://bugs.python.org/issue30657
+
+ -- Moritz Mühlenhoff <jmm@debian.org>  Fri, 24 Nov 2017 18:33:09 +0100
+
 python2.7 (2.7.13-2+deb9u1) stretch; urgency=medium
 
   * Non-maintainer upload with maintainer's permission
diff -u python2.7-2.7.13/debian/patches/series.in python2.7-2.7.13/debian/patches/series.in
--- python2.7-2.7.13/debian/patches/series.in
+++ python2.7-2.7.13/debian/patches/series.in
@@ -72,0 +73 @@
+CVE-2017-1000158.diff
only in patch2:
unchanged:
--- python2.7-2.7.13.orig/debian/patches/CVE-2017-1000158.diff
+++ python2.7-2.7.13/debian/patches/CVE-2017-1000158.diff
@@ -0,0 +1,29 @@
+From c3c9db89273fabc62ea1b48389d9a3000c1c03ae Mon Sep 17 00:00:00 2001
+From: Jay Bosamiya <jaybosamiya@gmail.com>
+Date: Sun, 18 Jun 2017 22:11:03 +0530
+Subject: [PATCH] [2.7] bpo-30657: Check & prevent integer overflow in
+ PyString_DecodeEscape (#2174)
+
+---
+ Objects/stringobject.c | 8 +++++++-
+ 3 files changed, 11 insertions(+), 1 deletion(-)
+
+diff --git a/Objects/stringobject.c b/Objects/stringobject.c
+index c78e19316a0..59d22e76946 100644
+--- a/Objects/stringobject.c
++++ b/Objects/stringobject.c
+@@ -612,7 +612,13 @@ PyObject *PyString_DecodeEscape(const char *s,
+     char *p, *buf;
+     const char *end;
+     PyObject *v;
+-    Py_ssize_t newlen = recode_encoding ? 4*len:len;
++    Py_ssize_t newlen;
++    /* Check for integer overflow */
++    if (recode_encoding && (len > PY_SSIZE_T_MAX / 4)) {
++        PyErr_SetString(PyExc_OverflowError, "string is too large");
++        return NULL;
++    }
++    newlen = recode_encoding ? 4*len:len;
+     v = PyString_FromStringAndSize((char *)NULL, newlen);
+     if (v == NULL)
+         return NULL;

--- End Message ---
--- Begin Message --- 
Version: 9.3

Hi,

Each of the updates referenced in these bugs was included in this
morning's stretch point release. Thanks!

Regards,

Adam

--- End Message ---
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