Vulnerability Details : CVE-2017-7555
Augeas versions up to and including 1.8.0 are vulnerable to heap-based buffer overflow due to improper handling of escaped strings. Attacker could send crafted strings that would cause the application using augeas to copy past the end of a buffer, leading to a crash or possible code execution.
Vulnerability category: Overflow
Products affected by CVE-2017-7555
- cpe:2.3:a:augeas:augeas:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-7555
1.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-7555
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2017-7555
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
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A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().Assigned by: secalert@redhat.com (Secondary)
References for CVE-2017-7555
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https://access.redhat.com/errata/RHSA-2017:2788
RHSA-2017:2788 - Security Advisory - Red Hat Customer Portal
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https://github.com/hercules-team/augeas/pull/480
* src/pathx.c (parse_name): correctly handle trailing whitespace in n… by lutter · Pull Request #480 · hercules-team/augeas · GitHubThird Party Advisory
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http://www.securityfocus.com/bid/100378
augeas CVE-2017-7555 Memory Corruption VulnerabilityThird Party Advisory;VDB Entry
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https://puppet.com/security/cve/cve-2017-7555
CVE-2017-7555 - Memory Corruption Vulnerability in augeas | Puppet
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https://access.redhat.com/errata/RHSA-2019:2403
RHSA-2019:2403 - Security Advisory - Red Hat Customer Portal
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http://www.debian.org/security/2017/dsa-3949
Debian -- Security Information -- DSA-3949-1 augeas
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