* bug#32877: Python-2 CVE-2018-1060 CVE-2018-1061 CVE-2018-14647 CVE-2018-1000802
2018-09-29 19:18 bug#32877: Python-2 CVE-2018-1060 CVE-2018-1061 CVE-2018-14647 CVE-2018-1000802 Leo Famulari
@ 2018-10-06 16:53 ` Marius Bakke
2018-10-10 19:14 ` Leo Famulari
0 siblings, 1 reply; 5+ messages in thread
From: Marius Bakke @ 2018-10-06 16:53 UTC (permalink / raw)
To: Leo Famulari, 32877
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Leo Famulari <leo@famulari.name> writes:
> Here are some bugs that apply to our Python 2.7.14 package.
>
> CVE-2018-1060 (fixed upstream in Python 2.7.15):
> https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1060
>
> CVE-2018-1061 (fixed upstream in Python 2.7.15):
> https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1061
>
> CVE-2018-14647 (fixed in unreleased CPython commit
> 18b20bad75b4ff0486940fba4ec680e96e70f3a2):
> https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14647
>
> CVE-2018-1000802 (fixed in unreleased CPython commit
> d8b103b8b3ef9644805341216963a64098642435):
> https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000802
Here is a patch that should fix these:
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From 2891a9acb7704c3397ef34fbb520b46936504422 Mon Sep 17 00:00:00 2001
From: Marius Bakke <mbakke@fastmail.com>
Date: Sat, 6 Oct 2018 18:50:47 +0200
Subject: [PATCH] gnu: python2: Add upstream security fixes.
This addresses CVE-2018-{1060,1061,14647,1000802}.
* gnu/packages/patches/python2-CVE-2018-1000802.patch,
gnu/packages/patches/python2-CVE-2018-1060.patch,
gnu/packages/patches/python2-CVE-2018-1061.patch,
gnu/packages/patches/python2-CVE-2018-14647.patch: New files.
* gnu/local.mk (dist_patch_DATA): Register it.
* gnu/packages/python.scm (python-2/fixed): New variable.
(python-2.7)[replacement]: New field.
(python2-minimal): Use PACKAGE/INHERIT.
---
gnu/local.mk | 4 ++
.../patches/python2-CVE-2018-1000802.patch | 47 ++++++++++++++
.../patches/python2-CVE-2018-1060.patch | 20 ++++++
.../patches/python2-CVE-2018-1061.patch | 20 ++++++
.../patches/python2-CVE-2018-14647.patch | 61 +++++++++++++++++++
gnu/packages/python.scm | 15 ++++-
6 files changed, 166 insertions(+), 1 deletion(-)
create mode 100644 gnu/packages/patches/python2-CVE-2018-1000802.patch
create mode 100644 gnu/packages/patches/python2-CVE-2018-1060.patch
create mode 100644 gnu/packages/patches/python2-CVE-2018-1061.patch
create mode 100644 gnu/packages/patches/python2-CVE-2018-14647.patch
diff --git a/gnu/local.mk b/gnu/local.mk
index df16f85db..e77f21db5 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1067,6 +1067,10 @@ dist_patch_DATA = \
%D%/packages/patches/pygpgme-disable-problematic-tests.patch \
%D%/packages/patches/pyqt-configure.patch \
%D%/packages/patches/pyqt-public-sip.patch \
+ %D%/packages/patches/python2-CVE-2018-1060.patch \
+ %D%/packages/patches/python2-CVE-2018-1061.patch \
+ %D%/packages/patches/python2-CVE-2018-14647.patch \
+ %D%/packages/patches/python2-CVE-2018-1000802.patch \
%D%/packages/patches/python-2-deterministic-build-info.patch \
%D%/packages/patches/python-2.7-adjust-tests.patch \
%D%/packages/patches/python-2.7-search-paths.patch \
diff --git a/gnu/packages/patches/python2-CVE-2018-1000802.patch b/gnu/packages/patches/python2-CVE-2018-1000802.patch
new file mode 100644
index 000000000..0d5bc77c8
--- /dev/null
+++ b/gnu/packages/patches/python2-CVE-2018-1000802.patch
@@ -0,0 +1,47 @@
+Fix CVE-2018-1000802:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000802
+
+Taken from upstream commit (sans NEWS):
+https://github.com/python/cpython/commit/d8b103b8b3ef9644805341216963a64098642435
+
+diff --git a/Lib/shutil.py b/Lib/shutil.py
+index 3462f7c5e9..0ab1a06f52 100644
+--- a/Lib/shutil.py
++++ b/Lib/shutil.py
+@@ -413,17 +413,21 @@ def _make_tarball(base_name, base_dir, compress="gzip", verbose=0, dry_run=0,
+
+ return archive_name
+
+-def _call_external_zip(base_dir, zip_filename, verbose=False, dry_run=False):
++def _call_external_zip(base_dir, zip_filename, verbose, dry_run, logger):
+ # XXX see if we want to keep an external call here
+ if verbose:
+ zipoptions = "-r"
+ else:
+ zipoptions = "-rq"
+- from distutils.errors import DistutilsExecError
+- from distutils.spawn import spawn
++ cmd = ["zip", zipoptions, zip_filename, base_dir]
++ if logger is not None:
++ logger.info(' '.join(cmd))
++ if dry_run:
++ return
++ import subprocess
+ try:
+- spawn(["zip", zipoptions, zip_filename, base_dir], dry_run=dry_run)
+- except DistutilsExecError:
++ subprocess.check_call(cmd)
++ except subprocess.CalledProcessError:
+ # XXX really should distinguish between "couldn't find
+ # external 'zip' command" and "zip failed".
+ raise ExecError, \
+@@ -458,7 +462,7 @@ def _make_zipfile(base_name, base_dir, verbose=0, dry_run=0, logger=None):
+ zipfile = None
+
+ if zipfile is None:
+- _call_external_zip(base_dir, zip_filename, verbose, dry_run)
++ _call_external_zip(base_dir, zip_filename, verbose, dry_run, logger)
+ else:
+ if logger is not None:
+ logger.info("creating '%s' and adding '%s' to it",
diff --git a/gnu/packages/patches/python2-CVE-2018-1060.patch b/gnu/packages/patches/python2-CVE-2018-1060.patch
new file mode 100644
index 000000000..5eb7ccfbc
--- /dev/null
+++ b/gnu/packages/patches/python2-CVE-2018-1060.patch
@@ -0,0 +1,20 @@
+Fix CVE-2018-1060:
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1060
+
+Taken from upstream commit (sans test and NEWS):
+https://github.com/python/cpython/commit/e052d40cea15f582b50947f7d906b39744dc62a2
+
+diff --git a/Lib/poplib.py b/Lib/poplib.py
+index b91e5f72d2ca..a238510b38fc 100644
+--- a/Lib/poplib.py
++++ b/Lib/poplib.py
+@@ -274,7 +274,7 @@ def rpop(self, user):
+ return self._shortcmd('RPOP %s' % user)
+
+
+- timestamp = re.compile(r'\+OK.*(<[^>]+>)')
++ timestamp = re.compile(br'\+OK.[^<]*(<.*>)')
+
+ def apop(self, user, secret):
+ """Authorisation
+
diff --git a/gnu/packages/patches/python2-CVE-2018-1061.patch b/gnu/packages/patches/python2-CVE-2018-1061.patch
new file mode 100644
index 000000000..6caab24b4
--- /dev/null
+++ b/gnu/packages/patches/python2-CVE-2018-1061.patch
@@ -0,0 +1,20 @@
+Fix CVE-2018-1061:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1061
+
+Taken from upstream commit (sans test and NEWS):
+https://github.com/python/cpython/commit/e052d40cea15f582b50947f7d906b39744dc62a2
+
+diff --git a/Lib/difflib.py b/Lib/difflib.py
+index 1c6fbdbedcb7..788a92df3f89 100644
+--- a/Lib/difflib.py
++++ b/Lib/difflib.py
+@@ -1103,7 +1103,7 @@ def _qformat(self, aline, bline, atags, btags):
+
+ import re
+
+-def IS_LINE_JUNK(line, pat=re.compile(r"\s*#?\s*$").match):
++def IS_LINE_JUNK(line, pat=re.compile(r"\s*(?:#\s*)?$").match):
+ r"""
+ Return 1 for ignorable line: iff `line` is blank or contains a single '#'.
+
diff --git a/gnu/packages/patches/python2-CVE-2018-14647.patch b/gnu/packages/patches/python2-CVE-2018-14647.patch
new file mode 100644
index 000000000..6226b06ac
--- /dev/null
+++ b/gnu/packages/patches/python2-CVE-2018-14647.patch
@@ -0,0 +1,61 @@
+Fix CVE-2018-14647:
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14647
+https://bugs.python.org/issue34623
+
+Taken from upstream:
+https://github.com/python/cpython/commit/18b20bad75b4ff0486940fba4ec680e96e70f3a2
+
+diff --git a/Include/pyexpat.h b/Include/pyexpat.h
+index 5340ef5fa3..3fc5fa54da 100644
+--- a/Include/pyexpat.h
++++ b/Include/pyexpat.h
+@@ -3,7 +3,7 @@
+
+ /* note: you must import expat.h before importing this module! */
+
+-#define PyExpat_CAPI_MAGIC "pyexpat.expat_CAPI 1.0"
++#define PyExpat_CAPI_MAGIC "pyexpat.expat_CAPI 1.1"
+ #define PyExpat_CAPSULE_NAME "pyexpat.expat_CAPI"
+
+ struct PyExpat_CAPI
+@@ -43,6 +43,8 @@ struct PyExpat_CAPI
+ XML_Parser parser, XML_UnknownEncodingHandler handler,
+ void *encodingHandlerData);
+ void (*SetUserData)(XML_Parser parser, void *userData);
++ /* might be none for expat < 2.1.0 */
++ int (*SetHashSalt)(XML_Parser parser, unsigned long hash_salt);
+ /* always add new stuff to the end! */
+ };
+
+diff --git a/Modules/_elementtree.c b/Modules/_elementtree.c
+index f7f992dd3a..b38e0ab329 100644
+--- a/Modules/_elementtree.c
++++ b/Modules/_elementtree.c
+@@ -2574,6 +2574,11 @@ xmlparser(PyObject* self_, PyObject* args, PyObject* kw)
+ PyErr_NoMemory();
+ return NULL;
+ }
++ /* expat < 2.1.0 has no XML_SetHashSalt() */
++ if (EXPAT(SetHashSalt) != NULL) {
++ EXPAT(SetHashSalt)(self->parser,
++ (unsigned long)_Py_HashSecret.prefix);
++ }
+
+ ALLOC(sizeof(XMLParserObject), "create expatparser");
+
+diff --git a/Modules/pyexpat.c b/Modules/pyexpat.c
+index 2b4d31293c..1f8c0d70a5 100644
+--- a/Modules/pyexpat.c
++++ b/Modules/pyexpat.c
+@@ -2042,6 +2042,11 @@ MODULE_INITFUNC(void)
+ capi.SetProcessingInstructionHandler = XML_SetProcessingInstructionHandler;
+ capi.SetUnknownEncodingHandler = XML_SetUnknownEncodingHandler;
+ capi.SetUserData = XML_SetUserData;
++#if XML_COMBINED_VERSION >= 20100
++ capi.SetHashSalt = XML_SetHashSalt;
++#else
++ capi.SetHashSalt = NULL;
++#endif
+
+ /* export using capsule */
+ capi_object = PyCapsule_New(&capi, PyExpat_CAPSULE_NAME, NULL);
diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index e64193dce..4d9bad9bc 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -148,6 +148,7 @@
(package
(name "python2")
(version "2.7.14")
+ (replacement python-2/fixed)
(source
(origin
(method url-fetch)
@@ -344,6 +345,18 @@ data types.")
;; Current 2.x version.
(define-public python-2 python-2.7)
+(define python-2/fixed
+ (package
+ (inherit python-2)
+ (source (origin
+ (inherit (package-source python-2))
+ (patches (append
+ (origin-patches (package-source python-2))
+ (search-patches "python2-CVE-2018-1060.patch"
+ "python2-CVE-2018-1061.patch"
+ "python2-CVE-2018-14647.patch"
+ "python2-CVE-2018-1000802.patch")))))))
+
(define-public python2-called-python
;; Both 2.x and 3.x used to be called "python". In commit
;; a7714d42de2c3082f3609d1e63c83d703fb39cf9 (March 2018), we renamed the
@@ -482,7 +495,7 @@ data types.")
;; Python (Tk -> libxcb -> Python.)
(define-public python2-minimal
- (package (inherit python-2)
+ (package/inherit python-2
(name "python2-minimal")
(outputs '("out"))
--
2.19.0
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WDYT?
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