Access Restriction Bypass Affecting perf-debuginfo package, versions <0:3.14.35-28.38.amzn1


Severity

Recommended
0.0
low
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
1.08% (85th percentile)

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  • Snyk IDSNYK-AMZN201803-PERFDEBUGINFO-1683048
  • published27 Sept 2021
  • disclosed16 Mar 2015

Introduced: 16 Mar 2015

CVE-2015-1593  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 perf-debuginfo to version 0:3.14.35-28.38.amzn1 or higher.
This issue was patched in ALAS-2015-491.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf-debuginfo package and not the perf-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

The stack randomization feature in the Linux kernel before 3.19.1 on 64-bit platforms uses incorrect data types for the results of bitwise left-shift operations, which makes it easier for attackers to bypass the ASLR protection mechanism by predicting the address of the top of the stack, related to the randomize_stack_top function in fs/binfmt_elf.c and the stack_maxrandom_size function in arch/x86/mm/mmap.c.

CVSS Scores

version 3.1