On Mon, 1 Aug 2022 18:25:04 +0200 Sylvestre Ledru <sylves...@mozilla.com> wrote: > Hello, > > Le 05/07/2022 à 11:19, Neil Williams a écrit : > > Source: scilab > > Version: 6.1.1+dfsg2-3 > > Severity: important > > Tags: security > > X-Debbugs-Cc: codeh...@debian.org, Debian Security Team > > <t...@security.debian.org> > > > > Hi, > > > > The following vulnerability was published for scilab. > > > > CVE-2022-30045[0]: > > | An issue was discovered in libezxml.a in ezXML 0.8.6. The function > > | ezxml_decode() performs incorrect memory handling while parsing > > | crafted XML files, leading to a heap out-of-bounds read. > > > > > > If you fix the vulnerability please also make sure to include the > > CVE (Common Vulnerabilities & Exposures) id in your changelog entry. > > > > For further information see: > > > > [0] https://security-tracker.debian.org/tracker/CVE-2022-30045 > > https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-30045 > > > > Please adjust the affected versions in the BTS as needed. > > > > > While Scilab indeed ships ezxml.c, I am not sure how this can be exploited. > > The code is probably only used to load scicos/xcos schema. > https://github.com/scilab/scilab/blob/b0937f19e4b8ddf416ca9a9a433bcbbd3f4ef2c0/scilab/modules/scicos/src/c/ezxml.c >
Am I right in thinking that XCOS Schema can be provided by third-parties/users? ( https://github.com/scilab/scilab/blob/master/scilab/contrib/xcos_toolbox_skeleton/help/en_US/available_blocks.xml ) What would the effect be of a crash during parsing a corrupt XCOS Schema loaded via a help file, for example? -- Neil Williams ============= https://linux.codehelp.co.uk/
pgppF5J8wh7Up.pgp
Description: OpenPGP digital signature
