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Bug 56893 - ncurses: Multiple issues (5.0)
ncurses: Multiple issues (5.0)
Status: CLOSED FIXED
Product: UCS
Classification: Unclassified
Component: Security updates
UCS 5.0
All Linux
: P3 normal (vote)
: UCS 5.0-5-errata
Assigned To: Quality Assurance
Philipp Hahn
:
Depends on:
Blocks:
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Reported: 2023-12-04 09:57 CET by Quality Assurance
Modified: 2023-12-06 12:59 CET (History)
0 users

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What kind of report is it?: Security Issue
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Max CVSS v3 score: 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

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Description Quality Assurance univentionstaff 2023-12-04 09:57:05 CET 
New Debian ncurses 6.1+20181013-2+deb10u5 fixes:
This update addresses the following issues:
6.1+20181013-2+deb10u5 (Sun, 03 Dec 2023 16:31:37 +0100)
* Non-maintainer upload by the LTS Security Team.
* Fix CVE-2021-39537: Heap-based buffer overflow in _nc_captoinfo().
* Mitigate CVE-2023-29491: Configure with `--disable-root-environ` (changed  to match the behavior of the `--disable-setuid-environ` flag introduced in  the 20230423 patchlevel) in order to disallow loading of custom terminfo  entries in setuid/setgid programs.
* d/libtinfo5.symbols, d/libtinfo6.symbols: Add new exported symbol  _nc_env_access (exposed by the new configure flag).
Comment 1 Quality Assurance univentionstaff 2023-12-04 10:00:34 CET 
--- mirror/ftp/pool/main/n/ncurses/ncurses_6.1+20181013-2+deb10u4.dsc
+++ apt/ucs_5.0-0-errata5.0-5/source/ncurses_6.1+20181013-2+deb10u5.dsc
@@ -1,3 +1,14 @@
+6.1+20181013-2+deb10u5 [Sun, 03 Dec 2023 16:31:37 +0100] Guilhem Moulin <guilhem@debian.org>:
+
+  * Non-maintainer upload by the LTS Security Team.
+  * Fix CVE-2021-39537: Heap-based buffer overflow in _nc_captoinfo().
+  * Mitigate CVE-2023-29491: Configure with `--disable-root-environ` (changed
+    to match the behavior of the `--disable-setuid-environ` flag introduced in
+    the 20230423 patchlevel) in order to disallow loading of custom terminfo
+    entries in setuid/setgid programs. (Closes: #1034372)
+  * d/libtinfo5.symbols, d/libtinfo6.symbols: Add new exported symbol
+    _nc_env_access (exposed by the new configure flag).
+
 6.1+20181013-2+deb10u4 [Thu, 28 Sep 2023 12:35:46 +0100] Sean Whitton <spwhitton@spwhitton.name>:
 
   [ Sean Whitton ]

<http://piuparts.knut.univention.de/5.0-5/#2182347748592390173>
Comment 2 Philipp Hahn univentionstaff 2023-12-06 09:32:23 CET 
OK: bug
OK: yaml
OK: announce_errata
OK: patch
OK: piuparts

[5.0-5] 56a4caf0a8 Bug #56893: ncurses 6.1+20181013-2+deb10u5
 doc/errata/staging/ncurses.yaml | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

[5.0-5] 2cfcc3bdb7 Bug #56893: ncurses 6.1+20181013-2+deb10u5
 doc/errata/staging/ncurses.yaml | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
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