#VU32445 Out-of-bounds read in grep - CVE-2015-1345

Vulnerability identifier: #VU32445

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2015-1345

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
grep
Other software / Other software solutions

Vendor: GNU

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary error in the bmexec_trans function in kwset.c. A remote attacker can create crafted input when using the -F option, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

grep: 2.19 - 2.21

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External links
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=19563
https://git.savannah.gnu.org/cgit/grep.git/commit/?id=83a95bd8c8561875b948cadd417c653dbe7ef2e2
https://lists.opensuse.org/opensuse-updates/2015-02/msg00037.html
https://rhn.redhat.com/errata/RHSA-2015-1447.html
https://www.openwall.com/lists/oss-security/2015/01/22/10
https://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
https://www.securityfocus.com/bid/72281

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.