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author | 2017-02-21 00:19:25 +0100 | |
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committer | 2017-02-21 00:19:25 +0100 | |
commit | 99dce4efe770f024f20754f44bf21ac0d4240c65 (patch) | |
tree | 3eeaf3d8ba00607153cf87e7c25c69901fb30eb8 /glsa-201702-15.xml | |
parent | Add GLSA 201702-14 (diff) | |
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Add GLSA 201702-15
Diffstat (limited to 'glsa-201702-15.xml')
-rw-r--r-- | glsa-201702-15.xml | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/glsa-201702-15.xml b/glsa-201702-15.xml new file mode 100644 index 00000000..4fd87986 --- /dev/null +++ b/glsa-201702-15.xml @@ -0,0 +1,66 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="201702-15"> + <title>OCaml: Buffer overflow and information disclosure</title> + <synopsis>A buffer overflow in OCaml might allow remote attackers to obtain + sensitive information or crash an OCaml-based application. + </synopsis> + <product type="ebuild">ocaml</product> + <announced>2017-02-20</announced> + <revised>2017-02-20: 1</revised> + <bug>581946</bug> + <access>remote</access> + <affected> + <package name="dev-lang/ocaml" auto="yes" arch="*"> + <unaffected range="ge">4.04.0</unaffected> + <vulnerable range="lt">4.04.0</vulnerable> + </package> + </affected> + <background> + <p>OCaml is a high-level, strongly-typed, functional, and object-oriented + programming language from the ML family of languages. + </p> + </background> + <description> + <p>It was discovered that OCaml was vulnerable to a runtime bug that, on + 64-bit platforms, causes size arguments to internal memmove calls to be + sign-extended from 32- to 64-bits before being passed to the memmove + function. This leads to arguments between 2GiB and 4GiB being interpreted + as larger than they are (specifically, a bit below 2^64), causing a + buffer overflow. Further, arguments between 4GiB and 6GiB are interpreted + as 4GiB smaller than they should be causing a possible information leak. + </p> + </description> + <impact type="normal"> + <p>A remote attacker, able to interact with an OCaml-based application, + could possibly obtain sensitive information or cause a Denial of Service + condition. + </p> + </impact> + <workaround> + <p>There is no known workaround at this time.</p> + </workaround> + <resolution> + <p>All OCaml users should upgrade to the latest version:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=dev-lang/ocam-4.04.0" + </code> + + <p>Packages which depend on OCaml may need to be recompiled. Tools such as + qdepends (included in app-portage/portage-utils) may assist in + identifying these packages: + </p> + + <code> + # emerge --oneshot --ask --verbose $(qdepends -CQ dev-lang/ocaml | sed + 's/^/=/') + </code> + </resolution> + <references> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8869">CVE-2015-8869</uri> + </references> + <metadata tag="requester" timestamp="2017-02-13T00:59:45Z">whissi</metadata> + <metadata tag="submitter" timestamp="2017-02-20T23:19:06Z">whissi</metadata> +</glsa> |