Vulnerability Details : CVE-2017-15939
dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles NULL files in a .debug_line file table, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted ELF file, related to concat_filename. NOTE: this issue is caused by an incomplete fix for CVE-2017-15023.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2017-15939
- cpe:2.3:a:gnu:binutils:2.29:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-15939
0.42%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-15939
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2017-15939
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-15939
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https://blogs.gentoo.org/ago/2017/10/24/binutils-null-pointer-dereference-in-concat_filename-dwarf2-c-incomplete-fix-for-cve-2017-15023/
binutils: NULL pointer dereference in concat_filename (dwarf2.c) (INCOMPLETE FIX FOR CVE-2017-15023) | agostino's blogIssue Tracking;Patch;Third Party Advisory
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a54018b72d75abf2e74bf36016702da06399c1d9
sourceware.org Git - binutils-gdb.git/commitIssue Tracking;Patch;Third Party Advisory
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https://sourceware.org/bugzilla/show_bug.cgi?id=22205
22205 – .debug_line file table NULL filenameIssue Tracking;Patch;Third Party Advisory
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http://www.securityfocus.com/bid/101613
GNU Binutils CVE-2017-15939 Incomplete Fix Remote Denial of Service Vulnerability
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https://security.gentoo.org/glsa/201801-01
Binutils: Multiple vulnerabilities (GLSA 201801-01) — Gentoo security
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