From: | Kristian Fiskerstrand <k_f@g.o> |
---|---|
To: | gentoo-announce@l.g.o |
Subject: | [gentoo-announce] [ GLSA 201604-04 ] libksba: Multiple vulnerabilities |
Date: | Tue, 26 Apr 2016 21:26:47 |
Message-Id: | cb8f9b89-2022-78a6-6307-66ce99ffe9e9@gentoo.org |
1 | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
2 | Gentoo Linux Security Advisory GLSA 201604-04 |
3 | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
4 | https://security.gentoo.org/ |
5 | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
6 | |
7 | Severity: Normal |
8 | Title: libksba: Multiple vulnerabilities |
9 | Date: April 26, 2016 |
10 | Bugs: #546464 |
11 | ID: 201604-04 |
12 | |
13 | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
14 | |
15 | Synopsis |
16 | ======== |
17 | |
18 | Multiple vulnerabilities have been found in libksba, allowing a |
19 | possible Denial of Service and unspecified other vectors through |
20 | integer overflows. |
21 | |
22 | Background |
23 | ========== |
24 | |
25 | Libksba is a X.509 and CMS (PKCS#7) library. |
26 | |
27 | Affected packages |
28 | ================= |
29 | |
30 | ------------------------------------------------------------------- |
31 | Package / Vulnerable / Unaffected |
32 | ------------------------------------------------------------------- |
33 | 1 dev-libs/libksba < 1.3.3 >= 1.3.3 |
34 | |
35 | Description |
36 | =========== |
37 | |
38 | libksba is vulnerable to two integer overflows and a Denial of Service |
39 | vulnerability. Please read the references for additional details. |
40 | |
41 | Impact |
42 | ====== |
43 | |
44 | Remote attackers could cause Denial of Service or unspecified other |
45 | vectors through various integer overflows. |
46 | |
47 | Workaround |
48 | ========== |
49 | |
50 | There is no known workaround at this time. |
51 | |
52 | Resolution |
53 | ========== |
54 | |
55 | All libksba users should upgrade to the latest version: |
56 | |
57 | # emerge --sync |
58 | # emerge --ask --oneshot --verbose ">=dev-libs/libksba-1.3.3" |
59 | |
60 | References |
61 | ========== |
62 | |
63 | [ 1 ] Denial of Service due to stack overflow in src/ber-decoder.c |
64 | |
65 | http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=07116a314f4dcd4d96990bbd74db95a03a9f650a |
66 | [ 2 ] Integer overflow in the BER decoder src/ber-decoder.c |
67 | |
68 | http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=aea7b6032865740478ca4b706850a5217f1c3887 |
69 | [ 3 ] Integer overflow in the DN decoder src/dn.c |
70 | |
71 | http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=243d12fdec66a4360fbb3e307a046b39b5b4ffc3 |
72 | |
73 | Availability |
74 | ============ |
75 | |
76 | This GLSA and any updates to it are available for viewing at |
77 | the Gentoo Security Website: |
78 | |
79 | https://security.gentoo.org/glsa/201604-04 |
80 | |
81 | Concerns? |
82 | ========= |
83 | |
84 | Security is a primary focus of Gentoo Linux and ensuring the |
85 | confidentiality and security of our users' machines is of utmost |
86 | importance to us. Any security concerns should be addressed to |
87 | security@g.o or alternatively, you may file a bug at |
88 | https://bugs.gentoo.org. |
89 | |
90 | License |
91 | ======= |
92 | |
93 | Copyright 2016 Gentoo Foundation, Inc; referenced text |
94 | belongs to its owner(s). |
95 | |
96 | The contents of this document are licensed under the |
97 | Creative Commons - Attribution / Share Alike license. |
98 | |
99 | http://creativecommons.org/licenses/by-sa/2.5 |
File name | MIME type |
---|---|
signature.asc | application/pgp-signature |