Bug#865782: yara: CVE-2017-9465

Salvatore Bonaccorso carnil at debian.org
Sat Jun 24 18:54:59 UTC 2017

Source: yara
Version: 3.6.1+dfsg-1
Severity: important
Tags: upstream security patch
Forwarded: https://github.com/VirusTotal/yara/issues/678


the following vulnerability was published for yara.

| The yr_arena_write_data function in YARA 3.6.1 allows remote attackers
| to cause a denial of service (buffer over-read and application crash)
| or obtain sensitive information from process memory via a crafted file
| that is mishandled in the yr_re_fast_exec function in libyara/re.c and
| the _yr_scan_match_callback function in libyara/scan.c.

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-2017-9465
[1] https://github.com/VirusTotal/yara/issues/678
[2] https://github.com/VirusTotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661

Please adjust the affected versions in the BTS as needed.


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