CVE-2017-5618: gnu screen Incorrect Authorization
CVSS: 7.8v3.0HighModified
AliasesALPINE-CVE-2017-5618DEBIAN-CVE-2017-5618openSUSE-SU-2024:11374-1
Published 20-03-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-5618 is a high (CVSS 7.8) Incorrect Authorization vulnerability in gnu screen. EPSS estimates a 1.09% chance of exploitation in the next 30 days, higher than 64.8% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
7.8/10
010
High · v3.0 (NVD)EPSS score
1.09%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference
Timeline
- 20-03-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
GNU screen before 4.5.1 allows local users to modify arbitrary files and consequently gain root privileges by leveraging improper checking of logfile permissions.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · AlpineEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
1.09%
Chance of exploitation in the next 30 days
Percentile
65%
Versus all other CVEs
30-day change
0.00 pp
From 1.09% on 20-09-2026
20-09-202620-10-2026
EPSS score1.09%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (openwall.com)
Maturity: unknown
Exploit Reference (lists.gnu.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- screen< 4.5.1
Debian1 product
- screen< 4.5.0-3
Gnu1 product
- screen≤ 4.5.0
Opensuse1 product
- screen&distro=openSUSE Tumbleweed< 4.8.0-3.17
4 vendors · 4 products
References
9 links- git.savannah.gnu.org/cgit/screen.git/tree/src/ChangeLog?h=v.4.5.1X Refsource CONFIRMRelease NotesThird Party Advisory
- www.openwall.com/lists/oss-security/2017/01/29/3Mailing ListX Refsource MLISTExploitThird Party Advisory
- git.savannah.gnu.org/cgit/screen.git/patch/?id=1c6d2817926d30c9a7a97d99af7ac5de4a5845b8X Refsource CONFIRMPatchThird Party Advisory
- lists.gnu.org/archive/html/screen-devel/2017-01/msg00025.htmlMailing ListX Refsource MLISTExploitThird Party Advisory
