Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2019-17514 |
CWE-ID | CWE-20 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Python Universal components / Libraries / Scripting languages |
Vendor | Python.org |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU35161
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-17514
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to manipulate data.
library/glob.html in the Python 2 and 3 documentation before 2016 has potentially misleading information about whether sorting occurs, as demonstrated by irreproducible cancer-research results. NOTE: the effects of this documentation cross application domains, and thus it is likely that security-relevant code elsewhere is affected. This issue is not a Python implementation bug, and there are no reports that NMR researchers were specifically relying on library/glob.html. In other words, because the older documentation stated "finds all the pathnames matching a specified pattern according to the rules used by the Unix shell," one might have incorrectly inferred that the sorting that occurs in a Unix shell also occurred for glob.glob. There is a workaround in newer versions of Willoughby nmr-data_compilation-p2.py and nmr-data_compilation-p3.py, which call sort() directly.
MitigationInstall update from vendor's website.
Vulnerable software versionsPython: 3.6.0 - 3.8.0
External linkshttp://bugs.python.org/issue33275
http://github.com/bminor/bash/blob/ac50fbac377e32b98d2de396f016ea81e8ee9961/pathexp.c#L380
http://github.com/bminor/bash/blob/ac50fbac377e32b98d2de396f016ea81e8ee9961/pathexp.c#L405
http://pubs.acs.org/doi/full/10.1021/acs.orglett.9b03216
http://pubs.acs.org/doi/suppl/10.1021/acs.orglett.9b03216/suppl_file/ol9b03216_si_002.zip
http://security.netapp.com/advisory/ntap-20191107-0005/
http://twitter.com/chris_bloke/status/1181997278136958976
http://twitter.com/LucasCMoore/status/1181615421922824192
http://usn.ubuntu.com/4428-1/
http://web.archive.org/web/20150822013622/
http://docs.python.org/3/library/glob.html
http://web.archive.org/web/20150906020027/
http://docs.python.org/2.7/library/glob.html
http://web.archive.org/web/20160309211341/
http://docs.python.org/3/library/glob.html
http://web.archive.org/web/20160526201356/
http://docs.python.org/2.7/library/glob.html
http://www.vice.com/en_us/article/zmjwda/a-code-glitch-may-have-caused-errors-in-more-than-100-published-studies
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.