CVE-2015-4156
GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files via a symlink attack on a temporary file.
02 Description
GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files via a symlink attack on a temporary file.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.37% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 30.8% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2015-06-02 14:00Z11 YR AGO
- Last updated
- 2024-08-06 06:04Z2 YR AGO
- Reserved
- 2015-06-02
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-59Improper Link Resolution Before File Access ('Link Following')Base
- Data version
- 5.1
- Document digest
- 2239152650369c993fc07c93641c37fb100fbff8ede66eb96114b20dd19a1a66
05 Affected products
06 References
- lists.opensuse.orgopenSUSE-SU-2015:0968http://lists.opensuse.org/opensuse-updates/2015-05/msg00090.html
- www.securityfocus.com74961http://www.securityfocus.com/bid/74961
- lists.gnu.org[parallel] 20150423 GNU Parallel Security Advisory: GNU Parallel can be tricked into overwriting a filehttp://lists.gnu.org/archive/html/parallel/2015-04/msg00045.html
- lists.gnu.org[parallel] 20150522 GNU Parallel 20150522 ('Nepal') released [stable]http://lists.gnu.org/archive/html/parallel/2015-05/msg00024.html
07 Fixed in
Debian 12
- parallel Fixed in 20161222-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- parallel Fixed in 20161222-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- parallel Fixed in 20161222-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- parallel Fixed in 20161222-1~ubuntu0.16.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.