postgres.git / summary / log / commit / refs
commit 5b461f239eae2ad67f268e31ada7d79331b89652
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: Tue May 19 22:33:58 2015 +0000
First released in: 9.1.16
Last-minute updates for release notes.
Revise description of CVE-2015-3166, in line with scaled-back patch.
Change release date.
Security: CVE-2015-3166
doc/src/sgml/release-9.0.sgml | 26 ++++++++++++++++----------
doc/src/sgml/release-9.1.sgml | 26 ++++++++++++++++----------
2 files changed, 32 insertions(+), 20 deletions(-)
diff --git a/doc/src/sgml/release-9.0.sgml b/doc/src/sgml/release-9.0.sgml
index a3d9461fa6f..9794b5b3b76 100644
--- a/doc/src/sgml/release-9.0.sgml
+++ b/doc/src/sgml/release-9.0.sgml
@@ -6,7 +6,7 @@
<note>
<title>Release Date</title>
- <simpara>2015-05-21</simpara>
+ <simpara>2015-05-22</simpara>
</note>
<para>
@@ -58,18 +58,24 @@
<listitem>
<para>
- Consistently check for failure of the <function>*printf()</> family of
- functions (Noah Misch)
+ Improve detection of system-call failures (Noah Misch)
</para>
<para>
- Most calls of these functions did not consider the possibility that
- the functions could fail with, eg, out-of-memory conditions. The usual
- result would just be missing output, but crashes or exposure of
- unintended information are also possible. To protect against such
- risks uniformly, create wrappers around these functions that throw an
- error on failure. Also add missing error checks to a few
- security-relevant calls of other system functions.
+ Our replacement implementation of <function>snprintf()</> failed to
+ check for errors reported by the underlying system library calls;
+ the main case that might be missed is out-of-memory situations.
+ In the worst case this might lead to information exposure, due to our
+ code assuming that a buffer had been overwritten when it hadn't been.
+ Also, there were a few places in which security-relevant calls of other
+ system library functions did not check for failure.
+ </para>
+
+ <para>
+ It remains possible that some calls of the <function>*printf()</>
+ family of functions are vulnerable to information disclosure if an
+ out-of-memory error occurs at just the wrong time. We judge the risk
+ to not be large, but will continue analysis in this area.
(CVE-2015-3166)
</para>
</listitem>
diff --git a/doc/src/sgml/release-9.1.sgml b/doc/src/sgml/release-9.1.sgml
index 82dde5e038b..f6c0d131576 100644
--- a/doc/src/sgml/release-9.1.sgml
+++ b/doc/src/sgml/release-9.1.sgml
@@ -6,7 +6,7 @@
<note>
<title>Release Date</title>
- <simpara>2015-05-21</simpara>
+ <simpara>2015-05-22</simpara>
</note>
<para>
@@ -58,18 +58,24 @@
<listitem>
<para>
- Consistently check for failure of the <function>*printf()</> family of
- functions (Noah Misch)
+ Improve detection of system-call failures (Noah Misch)
</para>
<para>
- Most calls of these functions did not consider the possibility that
- the functions could fail with, eg, out-of-memory conditions. The usual
- result would just be missing output, but crashes or exposure of
- unintended information are also possible. To protect against such
- risks uniformly, create wrappers around these functions that throw an
- error on failure. Also add missing error checks to a few
- security-relevant calls of other system functions.
+ Our replacement implementation of <function>snprintf()</> failed to
+ check for errors reported by the underlying system library calls;
+ the main case that might be missed is out-of-memory situations.
+ In the worst case this might lead to information exposure, due to our
+ code assuming that a buffer had been overwritten when it hadn't been.
+ Also, there were a few places in which security-relevant calls of other
+ system library functions did not check for failure.
+ </para>
+
+ <para>
+ It remains possible that some calls of the <function>*printf()</>
+ family of functions are vulnerable to information disclosure if an
+ out-of-memory error occurs at just the wrong time. We judge the risk
+ to not be large, but will continue analysis in this area.
(CVE-2015-3166)
</para>
</listitem>
[parent: 0510cff6e801]